小数加减乘除法口算题400道

1、小数乘除法口算题一 1.5 X4 4X 0.25 0.4X0.25 0.7 X8 0.18 X 0.3 3.9 - 3.9 0.5 X 100 12.5 X8 8.5X100 0.13X4 0.2 X 0.5 1.25 X8 0.49 十7 0.45 - 0.15 0.32 - 16 8.4*7 1.25 X8 3.2 - 100 0.8 X7 1.4*0.7 9.3 - 0.3 0.096 - 0.03 0.7 X4 2.1 X2 0.9X6 7.2 - 0.9 0.9 X 0.3 7.2 X 0.8 0.05 X 1.6 0.45 - 0.5 1.2 十 3 10.3 X2 1.25 X4

2、 7X 0.08 0.6X0.3 2.3 X4 4.2 - 1.4 0.8 X 0.5 2.5 X2 10.73 0.8 X7 0.4 十 8 4.7+2.3 0.34*17 0.7X4 0 十 6.81 1.5X7 3.6 * 0.06 0.9X0.3 5.4 - 10 0.05X4 2.8 X 10 1.2 十 3 3.6 - 0.1 1X 0.06 6X 3.4 0.6 X 0.3 1.2 - 0.3 0.45 十4 5X 0.6 2.5 X2 84 - 4.2 0* 3.65 3.25 X0 4.7+2.3 1.6X0.2 0.5 X 10 0.6 X8 2.5X4 0.2 - 0.0

3、1 4.5 X2 2.5 * 0.5 4.2X1000 1.87 X0 1.32 X8 5.6 * 0.9 8.5 - 1.7 6-0.12 4X 0.3 0.7 X 0.8 0.04X25 1.8X0.5 9X 0.5 0.620.32 3.8 X2 1.47 X 0.4 2.5*5 3.21 X 23 4-0.4 1000X 0.756 7.82*1 0.4X50 2.1 X 0.3 0.24X5 0.6X8 2.05 X 100 0.5X1.1 8 宁 0.5 6.92.5 8.4*0.7 小数乘除法口算题二 0.48 - 0.8 3.21 X 0.23 8.21.8 10X 0.04

4、X 20 0.35 X 0.2 9.6*16 9.3 * 40 1.4 X 0.5 1.6X5 0.125X8 10.4X20 3.21 X 2.3 0.72 * 0.6 7.2 * 0.6 11.80-25 30X 0.1 4* 0.5 10X 0.05 12.7+45 0.04X0.3 6.3*7 2.5 X 0.4 13.9 X2 0.34 - 0.17 0.56*14 2.3*4 14.16X6 4.4 宁 0.11 321X 0.023 0.86*2 15.3 X6 5.6+0.4 7.5X0.1 0.13X7 16.54 *9 0.75 X 100 0.91.4 2.4X5 17.

5、3 X 20 0.92 *4 2.6*1.3 8.1 *9 18.4 *4 32.1 X 2.3 5.1 *0.17 0.56*28 19.35-80 2.6X3 5.6 X 100 1.45+15 20.16+70 0.4X0.25 1.6*0.8 7.7 X6 21.18-64 30.4*4 0.9X0.3 2.250*5 8.8 *8 4.2 X3 0.2 X 0.4 2.4X8 22.42*6 0.02 X 0.5 0.9*0.45 3.6X5 45.6+20 80* 1.6 0.75 * 0.25 2.2 X4 23.4-5 32.1 X 0.23 6.3*9 4.3 X 3+8 3

6、.5 X7 4.1 X2 3.5X0.2 5.5*4 24.8+60 1.25 X8 8.21.8 20X5 7.8 *3 1.2X6 9.6*16 12*3 25.41+18 0.3*0.01 0.125X8 7.80*20 18.8 *2 3.6 X 0.3 6.3*9 80*4 26.75-11 6.21.7 3.5X0.2 8.7+100 3.9 X5 小数乘除法口算题三 27.42+7 9.39 - 13 85.16X5 6.3 * 7= 49.4-29 60.6 - 15 86.4X 250 5.6 *100= 36.302-1010 61.72 - 24 87.3X518 0.7

7、5 * 0.25= 37.12 X 50 62.85 - 17 88.1 X 76 0.125X8= 38.25 X8 63.9 - 15 89.36X10 4.8 * 0.3= 39.23X11 64.96 - 16 90.15X6 0.96 * 2= 40.125 - 25 65.78 - 26 91.24X3 0.56 * 28= 41.42-2200 66.51 - 17 92.5X18 0.36 * 0.4= 42.22+80 67.8 - 40 93.26X4 0.64*02 43.2 X8 68.1 - 20 94.7 X 15 28.56*80 8.2X5 69.1 *4 95

8、.32 X 30 29.25X16 44.63X200 70.24 * 40 96.4X 15 30.12X25 45.2 十2 71.92 *4 97.6X12 31.36X11 46.35 十 5 72.3 * 60 98.23 X 30 32.1025 *25 47.36-40 73.64*2 99.3X50 33.336+70 48.28 - 40 74.64*4 100.5 X 700 34.25X9 49.98 - 14 75.5*5 4.7+2.3= 9.9 X4 50.96 - 24 76. *8 4.5 X 2= 35.2-33 51.56 - 14 77.96*4 6.92

9、.5= 9.3 X3 52.65 - 13 78.9 *6 7.2 X 0.8= 4.5 X 0.07 53.75 - 15 79.4+80 6X 3.4= 19.8 * 3.3 54.12 - 24 80.4-80 0.6-0.32= 2.36 X 0.22 55.2 - 25 81.4X80 1.4X0.5= 56. - 16 82.4*80 57.8 - 21 0.75X100= 83.48 *16 0.02X0.5= 58.5 - 14.5 84.96 * 24 3.6*0.3= 小数乘除法口算题四 1 十 0.01 16.9 - 0.13 9.88 X 11.21 0.18 X0.3

10、 1 十 0.1 7.2 十2 6- 1.2 0.49 - 0.7 0.25 X 0.8 0.6X3 24 - 1.2 84 - 4.2 66.6 - 1.11 0.6X3 12-0.75 2.5 X 1.47 1.5X4 0.35 X8 1.55 - 3.9 2.5 X 0.4 2.4-0.8 2-0.4 0.3 宁 0.15 1.25 X8 0.45 - 0.15 12.5 X8 1.4X5 1.6X0.2 8.5X100 2.59 7.35 十7 0.45 - 0.5 8.5 - 1.7 0.1258 0.32 X0 82.8 - 36 0.04X25 2.5X4 3.6 - 0.6 3

11、82.5 - 45 1000X 0.756 5.4 - 10 48 - 0.6 9.65 X 8.12 0.1 - 0.25 3.6 - 0.1 9.3 - 0.31 2.14X8.3 3.8 X2 3.2 - 100 0.13X4 0.2 X 28.37 9.3 - 0.3 1.2 - 0.3 4.2 X 10000.9 5.5 - 11 0.2 - 0.01 0.096 - 0.03 1.90.1 3.2 十8 6.3 - 0.09 0.5X 100 3800900 12-0.1221 5-0.25 1 十 0.01 4X 12 4.9 - 0.7 2.8 X 4.58 7.2 - 0.9 5.73.3 3.7 X 0.016 45X 2.46 4-0.4 104.4 0.5 X 0.12 6.4X5.48 2.5X 3.6 73.3 0.1 X 0.01 7.23 X 1.2