如题所述
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
1.45+15Ã6= 135
2.250÷5Ã8=400
3.6Ã5÷2Ã4=60
4.30Ã3+8=98
5.400÷4+20Ã5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10Ã5)=120
9.360÷40= 9
10.40Ã20= 800
11.80-25= 55
12.70+45=115
13.90Ã2= 180
14.16Ã6= 96
15.300Ã6= 1800
16.540÷9=60
17.30Ã20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5Ã7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11Ã5= 20
27.42+7-29= 20
28.5600÷80=70
29.25Ã16= 400
30.120Ã25= 3000
31.36Ã11= 396
32.1025÷25=41
33.336+70= 406
34.25Ã9Ã4= 900
35.200-33Ã3= 101
36.3020-1010=2010
37.12Ã50= 600
38.25Ã8= 200
39.23Ã11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20Ã8Ã5= 800
44.600-3Ã200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40Ã80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160Ã5= 800
86.4Ã250= 1000
87.0Ã518= 0
88.10Ã76= 760
89.36Ã10=360
90.15Ã6= 90
91.24Ã3= 72
92.5Ã18= 90
93.26Ã4= 74
94.7Ã15=105
95.32Ã30= 960
96.40Ã15= 600
97.60Ã12= 720
98.23Ã30= 690
99.30Ã50=1500
100.5Ã700=3500 180÷60=3 12Ã25=300 ãã 0÷90=0 ãã 4Ã5÷4Ã5=25 0.25Ã4ï¼4=5 131+218+269+182=800 25Ã6Ã4ï¼600 420÷35=12ãããã 36Ã5Ã4=720ã120÷5÷4=10 198ï¼75ï¼25ï¼98 120-20÷5ï¼116 59亿ï¼58亿ï¼1亿 (1.3ï¼3.5)÷0.5=10 75÷2.5=30 0.45÷1.25÷8=0.045 2.5Ã7.6Ã4=7697.6÷0.02=4800 8.8ï¼(0.25ï¼0.4)=8.15 0.25ï¼87ï¼0.75=88 0.8ï¼0.35Ã2=0.10.1÷0.01Ã0.1=1 9.9ï¼9.9Ã99=990 2.7Ã3.6ï¼6.4Ã2.7=27 720÷8÷9=102.9ï¼5.7ï¼2.1=10.7 2ï¼0.16ï¼0.64=1.2 16.7ï¼84.5ï¼16.7=84.5 6.8ï¼(3.8ï¼2.9)=0.19Ã1.3ï¼9Ã6.7=72 5.5ï¼5.25ï¼5.2=5.45 0.8Ã25ï¼10=10 42.8Ã25Ã4=4280
7.2ï¼2.8ï¼10ããã0.9÷0.01ï¼90 3.5ï¼7.6ï¼11.1ãããã3Ã0.2Ã0.5ï¼0.3 0.96÷0.3ï¼3.2ããããã1.5Ã0.4ï¼0.6 7÷0.25ï¼28ããã2.5Ã0.7Ã0.8=1.4 8ï¼2.5ï¼5.5ãã16÷1.6ï¼10 5.6Ã1.01=5.656ã8Ãï¼2.5ï¼0.25ï¼ï¼22 0.36ï¼0.64ï¼1ã64.32÷16ï¼4.02 72.8÷0.8ï¼91ãã8.4Ã0.2ï¼1.6Ã0.2ï¼2 8.4÷4.2ï¼2ãã 0.05Ã0.8ï¼0.04 2.56ï¼0.37ï¼2.19ã 1.23Ã3ï¼3.6925Ã0.8Ã0.5ï¼10 12Ã2.5ï¼30ã 3.2÷1.6ï¼2ãã3.5ï¼3.5Ã3ï¼14 19.6÷2ï¼9.8ãããã8.8÷2.2=4 3.9ï¼2.03ï¼5.93ã7.2Ã0.3ï¼2.8Ã0.3ï¼3 13.8ï¼9.9ï¼23.7ãã2.4Ã2.5ï¼6 0.75Ã4ï¼3ãï¼1.5ï¼0.25ï¼Ã4ï¼7 4.2÷0.1ï¼42ããã4.2÷3.5ï¼1.2 2.14ï¼0.9ï¼1.24ããã 27ï¼456ï¼73=556 12÷0.3=40ããã2.87÷0.7ï¼4.1 13÷4ï¼3.25ããã 24÷4ï¼56÷4=202.1Ã0.3÷2.1ï¼0.3 2.3ï¼0÷8.1=2.3 1.37ï¼1.37÷1.37= 0.37 4.4÷(5Ã0.2)=4.47Ã1.3= 9.1 0.96÷0.06=16 0.36Ã0.3=0.108 0.35÷0.7=5 13.65÷13=1.054Ã0.8Ã0.25Ã1.25=1 13ï¼0.7÷0.7=14 7.05Ã23.7+7.05Ã76.3 =705 0.125Ã3.2Ã2.5= 1 (12+23.1÷0.75)Ã0.4ï¼5.12=12 728ï¼199=827ãã637ï¼201=436ã 16Ã25=400 1.6Ã[(12ï¼7.2)÷(0.84÷2.1)]=76.8
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17ï¼ 32.8ï¼19ï¼ 5.2÷1.3ï¼ 1.6Ã0.4ï¼
4.9Ã0.7ï¼ 1÷5ï¼ 6÷12ï¼ 0.87ï¼0.49ï¼
17Ã40ï¼ 100ï¼63ï¼ 3.2ï¼1.68ï¼ 2.8Ã0.4ï¼
14ï¼7.4ï¼ 1.92÷0.04ï¼ 0.32Ã500ï¼ 0.65ï¼4.35ï¼
10ï¼5.4ï¼ 4÷20ï¼ 3.5Ã200ï¼ 1.5ï¼0.06ï¼
0.75÷15ï¼ 0.4Ã0.8ï¼ 4Ã0.25ï¼ 0.36ï¼1.54ï¼
1.01Ã99ï¼ 420÷35ï¼ 25Ã12ï¼ 135÷0.5ï¼
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
1.45+15Ã6= 135
2.250÷5Ã8=400
3.6Ã5÷2Ã4=60
4.30Ã3+8=98
5.400÷4+20Ã5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10Ã5)=120
9.360÷40= 9
10.40Ã20= 800
11.80-25= 55
12.70+45=115
13.90Ã2= 180
14.16Ã6= 96
15.300Ã6= 1800
16.540÷9=60
17.30Ã20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5Ã7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11Ã5= 20
27.42+7-29= 20
28.5600÷80=70
29.25Ã16= 400
30.120Ã25= 3000
31.36Ã11= 396
32.1025÷25=41
33.336+70= 406
34.25Ã9Ã4= 900
35.200-33Ã3= 101
36.3020-1010=2010
37.12Ã50= 600
38.25Ã8= 200
39.23Ã11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20Ã8Ã5= 800
44.600-3Ã200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40Ã80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160Ã5= 800
86.4Ã250= 1000
87.0Ã518= 0
88.10Ã76= 760
89.36Ã10=360
90.15Ã6= 90
91.24Ã3= 72
92.5Ã18= 90
93.26Ã4= 74
94.7Ã15=105
95.32Ã30= 960
96.40Ã15= 600
97.60Ã12= 720
98.23Ã30= 690
99.30Ã50=1500
100.5Ã700=3500 180÷60=3 12Ã25=300 ãã 0÷90=0 ãã 4Ã5÷4Ã5=25 0.25Ã4ï¼4=5 131+218+269+182=800 25Ã6Ã4ï¼600 420÷35=12ãããã 36Ã5Ã4=720ã120÷5÷4=10 198ï¼75ï¼25ï¼98 120-20÷5ï¼116 59亿ï¼58亿ï¼1亿 (1.3ï¼3.5)÷0.5=10 75÷2.5=30 0.45÷1.25÷8=0.045 2.5Ã7.6Ã4=7697.6÷0.02=4800 8.8ï¼(0.25ï¼0.4)=8.15 0.25ï¼87ï¼0.75=88 0.8ï¼0.35Ã2=0.10.1÷0.01Ã0.1=1 9.9ï¼9.9Ã99=990 2.7Ã3.6ï¼6.4Ã2.7=27 720÷8÷9=102.9ï¼5.7ï¼2.1=10.7 2ï¼0.16ï¼0.64=1.2 16.7ï¼84.5ï¼16.7=84.5 6.8ï¼(3.8ï¼2.9)=0.19Ã1.3ï¼9Ã6.7=72 5.5ï¼5.25ï¼5.2=5.45 0.8Ã25ï¼10=10 42.8Ã25Ã4=4280
7.2ï¼2.8ï¼10ããã0.9÷0.01ï¼90 3.5ï¼7.6ï¼11.1ãããã3Ã0.2Ã0.5ï¼0.3 0.96÷0.3ï¼3.2ããããã1.5Ã0.4ï¼0.6 7÷0.25ï¼28ããã2.5Ã0.7Ã0.8=1.4 8ï¼2.5ï¼5.5ãã16÷1.6ï¼10 5.6Ã1.01=5.656ã8Ãï¼2.5ï¼0.25ï¼ï¼22 0.36ï¼0.64ï¼1ã64.32÷16ï¼4.02 72.8÷0.8ï¼91ãã8.4Ã0.2ï¼1.6Ã0.2ï¼2 8.4÷4.2ï¼2ãã 0.05Ã0.8ï¼0.04 2.56ï¼0.37ï¼2.19ã 1.23Ã3ï¼3.6925Ã0.8Ã0.5ï¼10 12Ã2.5ï¼30ã 3.2÷1.6ï¼2ãã3.5ï¼3.5Ã3ï¼14 19.6÷2ï¼9.8ãããã8.8÷2.2=4 3.9ï¼2.03ï¼5.93ã7.2Ã0.3ï¼2.8Ã0.3ï¼3 13.8ï¼9.9ï¼23.7ãã2.4Ã2.5ï¼6 0.75Ã4ï¼3ãï¼1.5ï¼0.25ï¼Ã4ï¼7 4.2÷0.1ï¼42ããã4.2÷3.5ï¼1.2 2.14ï¼0.9ï¼1.24ããã 27ï¼456ï¼73=556 12÷0.3=40ããã2.87÷0.7ï¼4.1 13÷4ï¼3.25ããã 24÷4ï¼56÷4=202.1Ã0.3÷2.1ï¼0.3 2.3ï¼0÷8.1=2.3 1.37ï¼1.37÷1.37= 0.37 4.4÷(5Ã0.2)=4.47Ã1.3= 9.1 0.96÷0.06=16 0.36Ã0.3=0.108 0.35÷0.7=5 13.65÷13=1.054Ã0.8Ã0.25Ã1.25=1 13ï¼0.7÷0.7=14 7.05Ã23.7+7.05Ã76.3 =705 0.125Ã3.2Ã2.5= 1 (12+23.1÷0.75)Ã0.4ï¼5.12=12 728ï¼199=827ãã637ï¼201=436ã 16Ã25=400 1.6Ã[(12ï¼7.2)÷(0.84÷2.1)]=76.8
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