如题所述
1.120-36×4÷18+35 =147
2.(58+37)÷(64-9×5) 1139/19
3.(6.8-6.8×0.55)÷8.5 =9/25
4.0.12× 4.8÷0.12×4.8 =576/25
5.(3.2×1.5+2.5)÷1.6 =73/16
6.6-1.6÷4= 28/5
7.7.2÷0.8-1.2×5=3
8.6.5×(4.8-1.2×4)= 0
9.10.15-10.75×0.4-5.7 =3/20
10.5.8×(3.87-0.13)+4.2×3.74 =187/5
11.32.52-(6+9.728÷3.2)×2.5=248/25
12. 6 ×( 1/2 + 2/3 ) =7
13. 8 × 4/5 + 8 × 11/5 =24
14. 31 × 5/6 – 5/6 =25
15. 9/7 - ( 2/7 – 10/21 ) =31/21
16. 5/9 × 18 – 14 × 2/7 =6
17. 4/5 × 25/16 + 2/3 × 3/4 =7/4
18. 14 × 8/7 – 5/6 × 12/15 =46/3
19. 17/32 – 3/4 × 9/24 =1/4
20. 3 × 2/9 + 1/3 =1
21. 5/7 × 3/25 + 3/7 =18/35
22. 3/14 × 2/3 + 1/6 =13/42
23. 1/5 × 2/3 + 5/6 =29/30
24. 9/22 + 1/11 ÷ 1/2 =5/11
25. 5/3 × 11/5 + 4/3 =5
26. 45 × 2/3 + 1/3 × 15 =35
27. 7/19 + 12/19 × 5/6 =17/19
28. 1/4 + 3/4 ÷ 2/3 =1/3
29. 8/7 × 21/16 + 1/2 =2
30. 101 × 1/5 – 1/5 × 21 =16
31.[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) =30069
32.5+21*8/2-6-59 =24
33.68/21-8-11*8+61 =-667/21
34.-2/9-7/9-56 =-57
35.4.6-(-3/4+1.6-4-3/4) =9/2
36.1/2+3+5/6-7/12 =15/4
37.[2/3-4-1/4*(-0.4)]/1/3+2 =83/90
38.22+(-4)+(-2)+4*3 =28
39.-2*8-8*1/2+8/1/8 =-19
40.(2/3+1/2)/(-1/12)*(-12) =168
41.(-28)/(-6+4)+(-1) =13
42.2/(-2)+0/7-(-8)*(-2) =-17
43.(1/4-5/6+1/3+2/3)/1/2 =5/24
44.18-6/(-3)*(-2) =14
45.5+3/8*8/30/(-2)-3 =9/5
46.(-84)/2*(-3)/(-6) =-756
47.1/2*(-4/15)/2/3 =-1/45
48.-3x+2y-5x-7y =-8X-5Y
49.2/3÷1/2-1/4×2/5 =7/30
50. 2-6/13÷9/26-2/3 =225/169
51.2/9+1/2÷4/5+3/8 =28/45
52.10÷5/9+1/6×4 =0
53.1/2×2/5+9/10÷9/20 =41/200
54.5/9×3/10+2/7÷2/5 =16
55.1/2+1/4×4/5-1/8 =76/55
56.3/4×5/7×4/3-1/2 =0
57.23-8/9×1/27÷1/27 =16
58.8×5/6+2/5÷4 =3
59.1/2+3/4×5/12×4/5 =75/24
60.8/9×3/4-3/8÷3/4 =177/254
61.5/8÷5/4+3/23÷9/11 =5/6
62.3/7 × 49/9 - 4/3 =2
63.8/9 × 15/36 + 1/27 =18/99
64.12× 5/6 – 2/9 ×3 =5
65.8× 5/4 + 1/4 =14
66.6÷ 3/8 – 3/8 ÷6 =0
67.4/7 × 5/9 + 3/7 × 5/9 =45/2
68.5/2 -( 3/2 + 4/5 ) =0
69.7/8 + ( 1/8 + 1/9 ) =11/56
70.9 × 5/6 + 5/6 =75/63
74.8 × 4/5 + 8 × 11/5 =45/88
76.9/7 - ( 2/7 – 10/21 ) =12
77.5/9 × 18 – 14 × 2/7 =0
78.4/5 × 25/16 + 2/3 × 3/4 =-25
79.14 × 8/7 – 5/6 × 12/15 =25/4
80.17/32 – 3/4 × 9/24 =77/89
81.3 × 2/9 + 1/3 =4/5
82.5/7 × 3/25 + 3/7 =16/85
83.3/14 ×× 2/3 + 1/6 =23/32
84.1/5 × 2/3 + 5/6 =1
85.9/22 + 1/11 ÷ 1/2 =-25
86.5/3 × 11/5 + 4/3 =0
87.45 × 2/3 + 1/3 × 15 =7/4
88.7/19 + 12/19 × 5/6 =0
89.1/4 + 3/4 ÷ 2/3 =1/6
90.8/7 × 21/16 + 1/2 =8/23
91.101 × 1/5 – 1/5 × 21 =41/75
92.4.38 ÷ (36.94 + 34.3×0.2) =1
93.[(5.84 - 3.9 ) ÷0.4 + 0.15] ×0.92 =0.56
94.[7.6 - 5 ×(0.3 + 0.9)]÷10 =0.87
95.1.8×(1.4 - 0.26 ÷2) =18
96.0.27 ×99 + 0.27 =27
97. 8 -0.8 ÷5 + 0.24 ×9 =7.65
98. 0.25×1.25×40×8 =20
99.(0.25 + 2.5 + 25)×0.4 =11.1
100.8.4 + 7.66 + 2.34 +1.6=20追问
2.(58+37)÷(64-9×5) 1139/19
3.(6.8-6.8×0.55)÷8.5 =9/25
4.0.12× 4.8÷0.12×4.8 =576/25
5.(3.2×1.5+2.5)÷1.6 =73/16
6.6-1.6÷4= 28/5
7.7.2÷0.8-1.2×5=3
8.6.5×(4.8-1.2×4)= 0
9.10.15-10.75×0.4-5.7 =3/20
10.5.8×(3.87-0.13)+4.2×3.74 =187/5
11.32.52-(6+9.728÷3.2)×2.5=248/25
12. 6 ×( 1/2 + 2/3 ) =7
13. 8 × 4/5 + 8 × 11/5 =24
14. 31 × 5/6 – 5/6 =25
15. 9/7 - ( 2/7 – 10/21 ) =31/21
16. 5/9 × 18 – 14 × 2/7 =6
17. 4/5 × 25/16 + 2/3 × 3/4 =7/4
18. 14 × 8/7 – 5/6 × 12/15 =46/3
19. 17/32 – 3/4 × 9/24 =1/4
20. 3 × 2/9 + 1/3 =1
21. 5/7 × 3/25 + 3/7 =18/35
22. 3/14 × 2/3 + 1/6 =13/42
23. 1/5 × 2/3 + 5/6 =29/30
24. 9/22 + 1/11 ÷ 1/2 =5/11
25. 5/3 × 11/5 + 4/3 =5
26. 45 × 2/3 + 1/3 × 15 =35
27. 7/19 + 12/19 × 5/6 =17/19
28. 1/4 + 3/4 ÷ 2/3 =1/3
29. 8/7 × 21/16 + 1/2 =2
30. 101 × 1/5 – 1/5 × 21 =16
31.[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) =30069
32.5+21*8/2-6-59 =24
33.68/21-8-11*8+61 =-667/21
34.-2/9-7/9-56 =-57
35.4.6-(-3/4+1.6-4-3/4) =9/2
36.1/2+3+5/6-7/12 =15/4
37.[2/3-4-1/4*(-0.4)]/1/3+2 =83/90
38.22+(-4)+(-2)+4*3 =28
39.-2*8-8*1/2+8/1/8 =-19
40.(2/3+1/2)/(-1/12)*(-12) =168
41.(-28)/(-6+4)+(-1) =13
42.2/(-2)+0/7-(-8)*(-2) =-17
43.(1/4-5/6+1/3+2/3)/1/2 =5/24
44.18-6/(-3)*(-2) =14
45.5+3/8*8/30/(-2)-3 =9/5
46.(-84)/2*(-3)/(-6) =-756
47.1/2*(-4/15)/2/3 =-1/45
48.-3x+2y-5x-7y =-8X-5Y
49.2/3÷1/2-1/4×2/5 =7/30
50. 2-6/13÷9/26-2/3 =225/169
51.2/9+1/2÷4/5+3/8 =28/45
52.10÷5/9+1/6×4 =0
53.1/2×2/5+9/10÷9/20 =41/200
54.5/9×3/10+2/7÷2/5 =16
55.1/2+1/4×4/5-1/8 =76/55
56.3/4×5/7×4/3-1/2 =0
57.23-8/9×1/27÷1/27 =16
58.8×5/6+2/5÷4 =3
59.1/2+3/4×5/12×4/5 =75/24
60.8/9×3/4-3/8÷3/4 =177/254
61.5/8÷5/4+3/23÷9/11 =5/6
62.3/7 × 49/9 - 4/3 =2
63.8/9 × 15/36 + 1/27 =18/99
64.12× 5/6 – 2/9 ×3 =5
65.8× 5/4 + 1/4 =14
66.6÷ 3/8 – 3/8 ÷6 =0
67.4/7 × 5/9 + 3/7 × 5/9 =45/2
68.5/2 -( 3/2 + 4/5 ) =0
69.7/8 + ( 1/8 + 1/9 ) =11/56
70.9 × 5/6 + 5/6 =75/63
74.8 × 4/5 + 8 × 11/5 =45/88
76.9/7 - ( 2/7 – 10/21 ) =12
77.5/9 × 18 – 14 × 2/7 =0
78.4/5 × 25/16 + 2/3 × 3/4 =-25
79.14 × 8/7 – 5/6 × 12/15 =25/4
80.17/32 – 3/4 × 9/24 =77/89
81.3 × 2/9 + 1/3 =4/5
82.5/7 × 3/25 + 3/7 =16/85
83.3/14 ×× 2/3 + 1/6 =23/32
84.1/5 × 2/3 + 5/6 =1
85.9/22 + 1/11 ÷ 1/2 =-25
86.5/3 × 11/5 + 4/3 =0
87.45 × 2/3 + 1/3 × 15 =7/4
88.7/19 + 12/19 × 5/6 =0
89.1/4 + 3/4 ÷ 2/3 =1/6
90.8/7 × 21/16 + 1/2 =8/23
91.101 × 1/5 – 1/5 × 21 =41/75
92.4.38 ÷ (36.94 + 34.3×0.2) =1
93.[(5.84 - 3.9 ) ÷0.4 + 0.15] ×0.92 =0.56
94.[7.6 - 5 ×(0.3 + 0.9)]÷10 =0.87
95.1.8×(1.4 - 0.26 ÷2) =18
96.0.27 ×99 + 0.27 =27
97. 8 -0.8 ÷5 + 0.24 ×9 =7.65
98. 0.25×1.25×40×8 =20
99.(0.25 + 2.5 + 25)×0.4 =11.1
100.8.4 + 7.66 + 2.34 +1.6=20追问
谢谢。
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第1个回答 2011-08-21
0.4×125×25×0.8
=(0.4×25)×(125×0.8)
=10×100=1000
1.25×(8+10)
=1.25×8+1.25×10
=10+12.5=22.5
9123-(123+8.8)
=9123-123-8.8
=9000-8.8
=8991.2
1.24×8.3+8.3×1.76
=8.3×(1.24+1.76)
=8.3×3=24.9
9999×1001
=9999×(1000+1)
=9999×1000+9999×1
=10008999
14.8×6.3-6.3×6.5+8.3×3.7
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7
8.3×(6.3+3.7)
=8.3×10
=83
1.24+0.78+8.76
=(1.24+8.76)+0.78
=10+0.78
=10.78
933-157-43
=933-(157+43)
=933-200
=733
4821-998
=4821-1000+2
=3823
I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000
9048÷268
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269
=100+100+100+48
=348
2881÷ 43
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37
3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=4237
1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5×8+3.5×8-47
=52+28-47
=80-47
(80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7
2700×(506-499)÷900
=2700×7÷900
=18900÷900
=21
33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5
=33.02-23.02
=10
(1÷1-1)÷5.1
=(1-1)÷5.1
=0÷5.1
=0
18.1+(3-0.299÷0.23)×1
=18.1+1.7×1
=18.1+1.7
=19.8
=(0.4×25)×(125×0.8)
=10×100=1000
1.25×(8+10)
=1.25×8+1.25×10
=10+12.5=22.5
9123-(123+8.8)
=9123-123-8.8
=9000-8.8
=8991.2
1.24×8.3+8.3×1.76
=8.3×(1.24+1.76)
=8.3×3=24.9
9999×1001
=9999×(1000+1)
=9999×1000+9999×1
=10008999
14.8×6.3-6.3×6.5+8.3×3.7
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7
8.3×(6.3+3.7)
=8.3×10
=83
1.24+0.78+8.76
=(1.24+8.76)+0.78
=10+0.78
=10.78
933-157-43
=933-(157+43)
=933-200
=733
4821-998
=4821-1000+2
=3823
I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000
9048÷268
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269
=100+100+100+48
=348
2881÷ 43
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37
3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=4237
1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5×8+3.5×8-47
=52+28-47
=80-47
(80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7
2700×(506-499)÷900
=2700×7÷900
=18900÷900
=21
33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5
=33.02-23.02
=10
(1÷1-1)÷5.1
=(1-1)÷5.1
=0÷5.1
=0
18.1+(3-0.299÷0.23)×1
=18.1+1.7×1
=18.1+1.7
=19.8