小數(shù)乘法列豎式計(jì)算(9月份計(jì)算)

1、班級(jí) 姓名分?jǐn)?shù)7.658 X 85=0.18 X 15=0.025 XI82=3.06 X 36=3.7 X 0.016=53X 2.07=36.02 X 0.3 7=56.78 X 8.4=6.04X 0.12 =3.84 X 2.6=207 X 0.62=7.564 X 0.89 =0.15 X 2.34=0.48 X 350=7.94 X 0.98 =56.2 X 4.98=36.9 X21.3=1.96X 0.085=班級(jí) 姓名80.4 X 0.35=6.25 X 1.04 =（9 月 19 日）分?jǐn)?shù)0.056 X 0.15=12.5 X 4.8=45.76 X 1.3=7.15 X

2、22=15.6 X 13=3.68 X 0.25 =3.7 X 0.016=7.564 X 0.89 =0.63 X 0.106 =6.8 X 0.195 =15.6 X 13=0.18 X 15.2=0.025 X14=3.06 X 36=0.04 X 0.12=（保留兩位小數(shù)）3.84 X 2.6 班級(jí) 姓名 分?jǐn)?shù)5.76 X 3.37.153.68 X 0.25 （保留兩位小數(shù)）（保留一位小數(shù)）（保留一位小數(shù)）3.7 X 0.016 13.76 X 0.87 5.2 X 0.63 （保留兩位小數(shù)）（保留三位小數(shù)）（保留一位小數(shù)）8.4 X 1.32 6.4 X 0.51 4.48 X 0

3、.4 （保留兩位小數(shù)）（保留兩位小數(shù)）（保留一位小數(shù)）5.25 X 55=35.4 X 4.2=0.042 X 0.54=0.76 X 0.32=0.25 X 0.046=2.52 X 3.4=班級(jí)姓名分?jǐn)?shù)1.08 X 250.12 X 0.57 164.8X 0.25（保留一位小數(shù)）（保留三位小數(shù)）（保留一位小數(shù)）0.4 X 0.076 =1.5 X 0.062 =6.5 X 0.042 =0.28 X 0.25=0.147X 3.6=1.423X 0.32=0.125 X 1.4 3.45X 230.56X 1.07 （保留一位小數(shù)）（保留一位小數(shù)）（保留兩位小數(shù)）1.78 X 0.24

4、0.057X 3.14 18.85X 2.3 （保留兩位小數(shù)）（保留三位小數(shù)）（保留兩位小數(shù)）小數(shù)乘法遞等式計(jì)算（9月22 日）班級(jí) 姓名 分?jǐn)?shù)計(jì)算下列各題，你認(rèn)為怎樣簡便就怎樣計(jì)算。1.25 X 6.412.3 X 6.7+7.7 X 6.70.82 X 986.74 X 99+6.74102X 0.360.056X 0.4 X 0.51.25 X( 8+0.8)0.25X 3.27.2X 1.5+2.8 X 1.51.23-1.23 X 0.766.7X 10.10.4X 1.25 X 8X 2.5計(jì)算下列各題，你認(rèn)為怎樣簡便就怎樣計(jì)算。4.5 x9X 1.20.02X 0.25 x5X4

5、00.4X 1.25 x 8X 2.52.87 X 606.25X 4.5+4.5 X 3.759.9X 26198X 0.511.25X 32X 2.50.8X 72.4 X 12.50.25 X 8.5 X412.5 X 0.96 X 0.80.25 X0.73 X44.8 X 10.13.6 X 1020.39 X 1990.32 X 4033.65 X 10.10.85 X 9.9計(jì)算下列各題，你認(rèn)為怎樣簡便就怎樣計(jì)算。(1.25-0.125) X 83.2 X 0.25 X 12.50.25 X 363.72 X 3.5 + 6.28 X 3.515.6 X 2.1 15.6 X 1

6、.197X 2.017.09 X 10.8 0.8 X 7.091.87 X 9.9 + 0.1874.2 X 99+ 4.23.8 X 4.56 + 3.83 X 5.449.7 X 99+ 9.75.4 X 11-5.427.5 X 3.7 7.5 X 3.77.2 X 0.2 + 2.4 X 1.43.14 X 0.68 + 31.4 X 0.0327.74 X( 2.8 1.3 )+ 1.5 X 2.262.3 X 16+2.3 X 23+2.33.65 X 4.7 36.5 X 0.370.65 X 10146 X 57 + 23 X 8610.7 X 16.1-15.1 X 10.

7、70.125 X 967.6 X 0.8 + 0.2 X 7.61.28 X 8.6 + 0.72 X 8.68.9 X 1.0110.6 X 0.35 9.6 X 0.3548X 0.56 + 44X 0.4812.5 X 10.80.279 X 343+ 0.657 X 2790.264 X 519 + 264 X 0.4819.16 X 1.53 0.053 X 91.6(20 4)X 0.25小數(shù)乘法遞等式計(jì)算（9月27 日）班級(jí) 姓名 分?jǐn)?shù)計(jì)算下列各題，你認(rèn)為怎樣簡便就怎樣計(jì)算。45 X 21-50 X 2.145X 1.58 + 5.5 X 15.825 X 7.3 X 0.44.

8、56 X 0.4 X 2.512.5 X 2.7 X 0.812.5 X 32X 0.252.5 X 3212.5 X 5625X 0.3612.5 X 8.899X 0.353.7 X 1.8 2.7 X 1.812.5 X 880.25 X 4848X 0.56 + 44X 0.480.279 X 343+ 0.657 X 2790.264 X 519 + 264X 0.4819.16 X 1.53 0.053 X 91.699.99 X 0.8 + 11.11 X 2.8314X 0.043 + 3.14 X 7.2 31.4 X 0.1532X 1.255 X 1.03 X 0.20.

9、45 X 9953X 10.14.2 X 6.51 + 3.49 X 4.29.99 X 2.22 + 3.33 X 3.340.125 X 9612.5 X 10.8(20-4)x 0.2545 X 21-50 X 2.16.66 X 3.3+6.66 X 6.745 X 1.58 + 5.5 X 15.825 X 7.3 X 0.41.87 X 9.9 + 0.1873.14X 0.68 + 31.4 X 0.0320.65 X 1013.65 X 4.7 36.5 X 0.37101X 0.87-0.91 X 875.4 X 11-5.47.2 X 0.2 + 2.4 X 1.48.9 X 1.01小數(shù)乘法遞等式計(jì)算（9月30 日）班級(jí) 姓名 分?jǐn)?shù)計(jì)算下列各題，你認(rèn)為怎樣簡便就怎樣計(jì)算。0.25 X8.5 X412.5 X 0.96 X 0.80.25 X 0.73 X44.36 X 12.5 X80.25 X 16.2 X41.25 X 2.5 X 323.2 X 0.25 X 12.50.25 X 363.72X 3.5 + 6.28 X 3.5