小数除法要简单的
5.6Ã2.9
3.77Ã1.8
0.02Ã96
5.22Ã0.3
9.99Ã0.02
4.67Ã0.9
5Ã2.44
1.666Ã6.1
9.432Ã0.002
5.6Ã6.5
4.88Ã2.9
5.61Ã4.3
8.9Ã2.4
5.5Ã55
9.77Ã0.02
1.384Ã5.1
8.78Ã83
2.6Ã61
0.059Ã0.2
4.268Ã1.7
57Ã5.7
9.46Ã2.85
17.8Ã6.4
1.5Ã4.9
2.5Ã0.88
5.555Ã5.2
2.22Ã3.33
7.658Ã85
36.02Ã0.3
56.78Ã8
é¤æ³ï¼
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
ï¼å¾ªç¯å°æ°çç¨ç®ä¾¿æ¹æ³ï¼é¤ä¸å°½ä¿ç2ä½å°æ°ï¼ï¼
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
ç¨ç«å¼è®¡ç®
0.396÷1.2= 0.756÷0.36= 15.6Ã13=
0.18Ã15= 0.025Ã14= 3.06Ã36=
0.04Ã0.12ï¼ 3.84Ã2.6â 5.76Ã3ï¼ ï¼ä¿çä¸ä½å°æ°ï¼
7.15Ã22 90.75÷3.3 3.68Ã0.25
16.9÷0.13 1.55÷3.9 3.7Ã0.016
13.76Ã0.8= 5.2Ã0.6 8.4Ã1.3
6.4Ã0.5 4.48Ã0.4 5.25Ã5
35.4Ã4.2 0.042Ã0.54 0.76Ã0.32
0.25Ã0.046 2.52Ã3.4 1.08Ã25
0.12Ã0.5Ã0.16ï¼ 4.8Ã0.25ï¼ 0.125Ã1.4âï¼ä¿ç两ä½å°æ°ï¼
2.5÷0.7= ï¼ä¿çä¸ä½å°æ°ï¼ 10.1÷3.3= ï¼åç¨å¾ªç¯å°æ°ï¼
10.75÷12.5= ï¼ç¨ä¹æ³éªç®ï¼ 3.25Ã9.04= ï¼ç¨é¤æ³éªç®ï¼
3ãè±å¼è®¡ç®ï¼è½ç®ç®çè¦ç®ç®ï¼
2.5Ã7.1Ã4 16.12Ã99ï¼16.12 5.2Ã0.9ï¼0.9
7.28Ã99+7.28 4.3Ã50Ã0.2 64ï¼2.64Ã0.5
26Ã15.7ï¼15.7Ã24 (2.275 ï¼0.625)Ã0.28
3.94+34.3Ã0.2 1.2Ã(9.6÷2.4)÷4.8
8.9Ã1.1Ã4.7 2.7Ã5.4Ã3.9 3.6Ã9.85-5.46
8.05Ã3.4+7.6 6.58Ã4.5Ã0.9 2.8Ã0.5+1.58
32ï¼4.9ï¼0.9 4.8ï¼4.8Ã0.5 (1.25ï¼0.125)Ã8
4.8Ã100.1 56.5Ã99ï¼56.5 7.09Ã10.8ï¼0.8Ã7.09
4.85 + 0.35 ÷ 1.4
8.7 Ã 17.4 - 8.7 Ã 7.4
12.5Ã0.4Ã2.5Ã8 0.87Ã3.16+4.64 9.5Ã101
0.68 ÷ï¼5.2 -3.5ï¼Ã 1.25
40.5 ÷ 0.81 à 0.18 4.8 Ãï¼15 ÷ 2.4ï¼
6.81+6.81Ã99 0.25Ã185Ã40 4.4Ã0.8ï¼3.4Ã0.8
(9.37+9ï¼37+9ï¼37+9ï¼37)Ã 2ï¼5
2.37Ã6.3+2.37Ã3.7 2.5Ã1.25Ã0.32 3.8Ã10.1
2.5Ã(3.8Ã0.04) 7.69Ã101 3.8Ã10.1
0.25Ã39+0.25 0.125Ã72 46Ã0.33+54Ã0.33
(8Ã5.27) Ã1.25 6.81+6.81Ã99 0.25Ã185Ã40
6.8Ã0.75÷0.5 3.75÷0.125â2.75 1.53+23.4÷7.2
9.5Ã99 13.5Ã0.98 12.5Ã8.8
äºã解æ¹ç¨ï¼
54-X=24 7X=49 126÷X=42
13+A=28.5 2.4X=26.4 7.5xï¼3x=18
5Ã1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2
xï¼3.86=5.46
17.89ï¼x=12.89
40.8ï¼x=57.3
xï¼3.25=16
2xï¼0.82ï¼8.2
3ï¼0.5xï¼7
7.8÷xï¼2.6
80x÷4ï¼12
5ï¼0.9xï¼2.75
2xï¼0.4x=48
6ï¼2xï¼6x=18
35xï¼13x=9.6
0.52Ã5ï¼4x=0.6
0.7(xï¼0.9)=42
1.3xï¼2.4Ã3=12.4
3.5x = 140
2x +5 = 40
15x+6x = 168
5xï¼1.5 = 4.5
13.7âx = 5.29
4.2 à 3â3x = 5.1 (ååºæ£éªè¿ç¨)
20.5ï¼4x=8.1
3.6x÷1.2=9.75
18Ã1.5ï¼1.7x=13.4
18.5xï¼9.9x=1.721
9.2x+1.5x=32.1
7.2Ã5ï¼8x=11.2
4xï¼3Ã0.7ï¼6.5
(å£ç®)
0.6Ã1.2= 0.84÷0.6= 4.5Ã0.1=
15Ã0.4= 0.1Ã0.5= 2.8÷7=
100÷0.01= 1.4Ã3= 0.72÷8=
6÷0.03= 0.5Ã0.6= 40Ã0.9=
4÷0.5= 7Ã2.1= 8.89+0.1=
24Ã0.25= 0.1÷0.01= 2.4Ã0.8=
9Ã0.4= 10Ã0.01= 30.2-3.02=
4.3-0.25= 1-0.82= 9.6÷0.3=
2.6Ã0.01= 0Ã25.4= 4.8Ã0.4=
7.2ï¼2.8=
12Ã2.5ï¼
2.63ï¼0.37ï¼
0.7Ã16ï¼16Ã0.2=
0.96÷0.3ï¼
1.5ï¼4.5=
2.5Ã0.4
1.4Ã2.5Ã4ï¼
8ï¼2.5ï¼
6÷1.2=
9.2÷2.3=
24÷4ï¼56÷4ï¼
0.36ï¼0.64ï¼
4÷0.25=
1.8Ã5=
30Ãï¼200ï¼3ï¼ï¼
8.4÷4.2=
8Ã1.5ï¼
4.8÷0.3=
2.73ï¼1.5Ã4ï¼
计ç®ä¸é¢åé¢(è½ç®ç®çè¦ç®ç®)
7.05Ã23.7+7.05Ã76.3
0.125Ã3.2Ã2.5
12.81ï¼(1.5+7.81)
8.7Ã2.6+6.4Ã8.7+8.7
1025ï¼1125÷4.5Ã3.6
12.25ï¼3.1ï¼0.85ï¼6.17
ï¼1.9ï¼1.9Ã0.9ï¼Ã·ï¼3.8ï¼2.8ï¼
2.65Ã1.7ï¼1.35Ã1.7
åç«å¼è®¡ç®ï¼å¾æ°ä¿çä¸ä½å°æ°ã
1.2Ã1.4ï¼ 0.37Ã8.4ï¼ 3.14Ã2.8ï¼
0.85Ã1.12ï¼ 0.86Ã5.4ï¼ 0.15Ã2.34ï¼
40÷14ï¼ 26.37÷31ï¼ 45.5÷38ï¼
1560÷35ï¼ 4.8÷2.3ï¼ 1.55÷3.9ï¼
7.2÷2.1ï¼ 3.87÷7ï¼ 146.4÷13ï¼
5.63÷6.1ï¼ 2.84Ã0.03ï¼ 0.38Ã0.13ï¼
26.37÷31ï¼ 32÷42ï¼ 2.84Ã0.03ï¼
4.8÷23ï¼ 0.382Ã0.13ï¼ 4.2÷4.5ï¼
åç«å¼è®¡ç®
1.64ï¼2.35= 8.65ï¼6.31= 28.448÷14= 0.58Ã250= 12.5ï¼3.6= 10.88÷34= 10ï¼7.64= 1.86Ã7= 13.88ï¼6.29= 926Ã0.15= 8÷500= 26.3ï¼7.93= 23Ã7.06= 100.2ï¼2.28= 44÷9ï¼ç²¾ç¡®å°ç¾åä½ï¼
ä¸ã计ç®ï¼è½ç®ä¾¿çç¨ç®ä¾¿æ¹æ³è®¡ç®ï¼
8Ã25Ã1ï¼25Ã16
4ï¼04Ã250
45ï¼55ï¼ï¼6ï¼82ï¼15ï¼55ï¼
3ï¼2Ã99ï¼3ï¼2 4.8Ã39ï¼61Ã4ï¼8 34ï¼52ï¼17ï¼87ï¼12ï¼23
2ï¼5Ã56+4ï¼5Ã65 489Ã101ï¼489 4ï¼57+3ï¼17+3ï¼43+5ï¼83
4ï¼6Ã56ï¼48Ã4ï¼6ï¼4ï¼6Ã4
ç«å¼è®¡ç®ï¼
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
ï¼ä¿çä¸ä½å°æ°ï¼
1ã ç®ä¸é¢åé¢
2.36Ã0.22 2.8Ã4.58 3.57÷4.2 82.8÷36
45Ã2.46 3.6÷0.24 382.5÷45 6.4Ã5.48
2ã ç®ä¾¿è®¡ç®
3.6Ã2.5+7.5Ã3.6 2.5Ã1.2 0.125Ã32 4.3Ã0.9 6.5Ã102 3.25Ã99+3.25
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
3.77Ã1.8
0.02Ã96
5.22Ã0.3
9.99Ã0.02
4.67Ã0.9
5Ã2.44
1.666Ã6.1
9.432Ã0.002
5.6Ã6.5
4.88Ã2.9
5.61Ã4.3
8.9Ã2.4
5.5Ã55
9.77Ã0.02
1.384Ã5.1
8.78Ã83
2.6Ã61
0.059Ã0.2
4.268Ã1.7
57Ã5.7
9.46Ã2.85
17.8Ã6.4
1.5Ã4.9
2.5Ã0.88
5.555Ã5.2
2.22Ã3.33
7.658Ã85
36.02Ã0.3
56.78Ã8
é¤æ³ï¼
85.44÷16
42.84÷7
101.7÷9
67.5÷15
230.4÷6
21.24÷36
0.736÷23
43.5÷12
35.21÷7
39.6÷24
6.21÷0.03
210÷1.4
51.3÷0.27
91.2÷3.8
0.756÷0.18
0.66÷0.3
11.97÷1.5
69.6÷2.9
38.4÷0.8
15÷0.06
ï¼å¾ªç¯å°æ°çç¨ç®ä¾¿æ¹æ³ï¼é¤ä¸å°½ä¿ç2ä½å°æ°ï¼ï¼
8.2÷0.12
0.8÷0.9
76.4÷5.4
4.7÷3
1.25÷1.2
32÷42
14.36÷2.7
8.33÷6.2
1.7÷0.03
2.41÷0.7
ç¨ç«å¼è®¡ç®
0.396÷1.2= 0.756÷0.36= 15.6Ã13=
0.18Ã15= 0.025Ã14= 3.06Ã36=
0.04Ã0.12ï¼ 3.84Ã2.6â 5.76Ã3ï¼ ï¼ä¿çä¸ä½å°æ°ï¼
7.15Ã22 90.75÷3.3 3.68Ã0.25
16.9÷0.13 1.55÷3.9 3.7Ã0.016
13.76Ã0.8= 5.2Ã0.6 8.4Ã1.3
6.4Ã0.5 4.48Ã0.4 5.25Ã5
35.4Ã4.2 0.042Ã0.54 0.76Ã0.32
0.25Ã0.046 2.52Ã3.4 1.08Ã25
0.12Ã0.5Ã0.16ï¼ 4.8Ã0.25ï¼ 0.125Ã1.4âï¼ä¿ç两ä½å°æ°ï¼
2.5÷0.7= ï¼ä¿çä¸ä½å°æ°ï¼ 10.1÷3.3= ï¼åç¨å¾ªç¯å°æ°ï¼
10.75÷12.5= ï¼ç¨ä¹æ³éªç®ï¼ 3.25Ã9.04= ï¼ç¨é¤æ³éªç®ï¼
3ãè±å¼è®¡ç®ï¼è½ç®ç®çè¦ç®ç®ï¼
2.5Ã7.1Ã4 16.12Ã99ï¼16.12 5.2Ã0.9ï¼0.9
7.28Ã99+7.28 4.3Ã50Ã0.2 64ï¼2.64Ã0.5
26Ã15.7ï¼15.7Ã24 (2.275 ï¼0.625)Ã0.28
3.94+34.3Ã0.2 1.2Ã(9.6÷2.4)÷4.8
8.9Ã1.1Ã4.7 2.7Ã5.4Ã3.9 3.6Ã9.85-5.46
8.05Ã3.4+7.6 6.58Ã4.5Ã0.9 2.8Ã0.5+1.58
32ï¼4.9ï¼0.9 4.8ï¼4.8Ã0.5 (1.25ï¼0.125)Ã8
4.8Ã100.1 56.5Ã99ï¼56.5 7.09Ã10.8ï¼0.8Ã7.09
4.85 + 0.35 ÷ 1.4
8.7 Ã 17.4 - 8.7 Ã 7.4
12.5Ã0.4Ã2.5Ã8 0.87Ã3.16+4.64 9.5Ã101
0.68 ÷ï¼5.2 -3.5ï¼Ã 1.25
40.5 ÷ 0.81 à 0.18 4.8 Ãï¼15 ÷ 2.4ï¼
6.81+6.81Ã99 0.25Ã185Ã40 4.4Ã0.8ï¼3.4Ã0.8
(9.37+9ï¼37+9ï¼37+9ï¼37)Ã 2ï¼5
2.37Ã6.3+2.37Ã3.7 2.5Ã1.25Ã0.32 3.8Ã10.1
2.5Ã(3.8Ã0.04) 7.69Ã101 3.8Ã10.1
0.25Ã39+0.25 0.125Ã72 46Ã0.33+54Ã0.33
(8Ã5.27) Ã1.25 6.81+6.81Ã99 0.25Ã185Ã40
6.8Ã0.75÷0.5 3.75÷0.125â2.75 1.53+23.4÷7.2
9.5Ã99 13.5Ã0.98 12.5Ã8.8
äºã解æ¹ç¨ï¼
54-X=24 7X=49 126÷X=42
13+A=28.5 2.4X=26.4 7.5xï¼3x=18
5Ã1.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2
xï¼3.86=5.46
17.89ï¼x=12.89
40.8ï¼x=57.3
xï¼3.25=16
2xï¼0.82ï¼8.2
3ï¼0.5xï¼7
7.8÷xï¼2.6
80x÷4ï¼12
5ï¼0.9xï¼2.75
2xï¼0.4x=48
6ï¼2xï¼6x=18
35xï¼13x=9.6
0.52Ã5ï¼4x=0.6
0.7(xï¼0.9)=42
1.3xï¼2.4Ã3=12.4
3.5x = 140
2x +5 = 40
15x+6x = 168
5xï¼1.5 = 4.5
13.7âx = 5.29
4.2 à 3â3x = 5.1 (ååºæ£éªè¿ç¨)
20.5ï¼4x=8.1
3.6x÷1.2=9.75
18Ã1.5ï¼1.7x=13.4
18.5xï¼9.9x=1.721
9.2x+1.5x=32.1
7.2Ã5ï¼8x=11.2
4xï¼3Ã0.7ï¼6.5
(å£ç®)
0.6Ã1.2= 0.84÷0.6= 4.5Ã0.1=
15Ã0.4= 0.1Ã0.5= 2.8÷7=
100÷0.01= 1.4Ã3= 0.72÷8=
6÷0.03= 0.5Ã0.6= 40Ã0.9=
4÷0.5= 7Ã2.1= 8.89+0.1=
24Ã0.25= 0.1÷0.01= 2.4Ã0.8=
9Ã0.4= 10Ã0.01= 30.2-3.02=
4.3-0.25= 1-0.82= 9.6÷0.3=
2.6Ã0.01= 0Ã25.4= 4.8Ã0.4=
7.2ï¼2.8=
12Ã2.5ï¼
2.63ï¼0.37ï¼
0.7Ã16ï¼16Ã0.2=
0.96÷0.3ï¼
1.5ï¼4.5=
2.5Ã0.4
1.4Ã2.5Ã4ï¼
8ï¼2.5ï¼
6÷1.2=
9.2÷2.3=
24÷4ï¼56÷4ï¼
0.36ï¼0.64ï¼
4÷0.25=
1.8Ã5=
30Ãï¼200ï¼3ï¼ï¼
8.4÷4.2=
8Ã1.5ï¼
4.8÷0.3=
2.73ï¼1.5Ã4ï¼
计ç®ä¸é¢åé¢(è½ç®ç®çè¦ç®ç®)
7.05Ã23.7+7.05Ã76.3
0.125Ã3.2Ã2.5
12.81ï¼(1.5+7.81)
8.7Ã2.6+6.4Ã8.7+8.7
1025ï¼1125÷4.5Ã3.6
12.25ï¼3.1ï¼0.85ï¼6.17
ï¼1.9ï¼1.9Ã0.9ï¼Ã·ï¼3.8ï¼2.8ï¼
2.65Ã1.7ï¼1.35Ã1.7
åç«å¼è®¡ç®ï¼å¾æ°ä¿çä¸ä½å°æ°ã
1.2Ã1.4ï¼ 0.37Ã8.4ï¼ 3.14Ã2.8ï¼
0.85Ã1.12ï¼ 0.86Ã5.4ï¼ 0.15Ã2.34ï¼
40÷14ï¼ 26.37÷31ï¼ 45.5÷38ï¼
1560÷35ï¼ 4.8÷2.3ï¼ 1.55÷3.9ï¼
7.2÷2.1ï¼ 3.87÷7ï¼ 146.4÷13ï¼
5.63÷6.1ï¼ 2.84Ã0.03ï¼ 0.38Ã0.13ï¼
26.37÷31ï¼ 32÷42ï¼ 2.84Ã0.03ï¼
4.8÷23ï¼ 0.382Ã0.13ï¼ 4.2÷4.5ï¼
åç«å¼è®¡ç®
1.64ï¼2.35= 8.65ï¼6.31= 28.448÷14= 0.58Ã250= 12.5ï¼3.6= 10.88÷34= 10ï¼7.64= 1.86Ã7= 13.88ï¼6.29= 926Ã0.15= 8÷500= 26.3ï¼7.93= 23Ã7.06= 100.2ï¼2.28= 44÷9ï¼ç²¾ç¡®å°ç¾åä½ï¼
ä¸ã计ç®ï¼è½ç®ä¾¿çç¨ç®ä¾¿æ¹æ³è®¡ç®ï¼
8Ã25Ã1ï¼25Ã16
4ï¼04Ã250
45ï¼55ï¼ï¼6ï¼82ï¼15ï¼55ï¼
3ï¼2Ã99ï¼3ï¼2 4.8Ã39ï¼61Ã4ï¼8 34ï¼52ï¼17ï¼87ï¼12ï¼23
2ï¼5Ã56+4ï¼5Ã65 489Ã101ï¼489 4ï¼57+3ï¼17+3ï¼43+5ï¼83
4ï¼6Ã56ï¼48Ã4ï¼6ï¼4ï¼6Ã4
ç«å¼è®¡ç®ï¼
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
ï¼ä¿çä¸ä½å°æ°ï¼
1ã ç®ä¸é¢åé¢
2.36Ã0.22 2.8Ã4.58 3.57÷4.2 82.8÷36
45Ã2.46 3.6÷0.24 382.5÷45 6.4Ã5.48
2ã ç®ä¾¿è®¡ç®
3.6Ã2.5+7.5Ã3.6 2.5Ã1.2 0.125Ã32 4.3Ã0.9 6.5Ã102 3.25Ã99+3.25
18÷24= 43.68÷26= 25.3÷0.88=
0.1575÷3.15= 0.612÷1.8= 16.787÷0.28
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