五年級上冊小數(shù)乘除法計算題

1、5.62.9 3.771.8 1.6666.1 5.614.37.65885 4.882.9 5.555 4.2681.7 8.7883 9.462.85 5.25.555 2.223.33 （商是循環(huán)小數(shù)的橫式答案用簡寫方法記錄，除不盡保留2位小數(shù)）85.4416 1.3845.1 42.847 101.79 21.2436 0.73623 43.512 2101.439.624 51.30.27 91.23.8 0.7560.18 11.971.5 69.62.9 7.1522 76.45.4 14.362.7 8.336.2 3.0636 0.3961.2 90.753.3 3.680.

2、25 16.90.13 1.553.9 3.842.6 5.255 35.44.2 0.7560.360.0420.54 0.760.32 0.250.046 2.523.4 1.0825 0.120.50.16 4.80.25 0.1251.42.50.7 10.13.3 10.7512.5 3.259.04 脫式計算（能簡算的要簡算）2.57.14 4.3500.2 642.640.5 2615.715.724 3.69.85-5.46 8.053.4+7.6 6.584.50.9 2.80.5+1.582.75.43.9 (2.275 0.625)0.28 4.8100.1 4.84.8

3、0.5 3.94+34.30.2 1.2(9.62.4)4.8 8.91.14.7 324.90.9 (1.250.125)8 56.59956.5 7.0910.80.87.09 4.85 + 0.35 1.4 8.7 17.4 - 8.7 7.4 9.5101 12.50.42.58 0.873.16+4.64 0.68 （5.2 -3.5） 1.25 4.40.83.40.8 (9.37+937+937+937) 25 3.810.1 2.376.3+2.373.7 2.51.250.32 2.5(3.80.04) 7.69101 3.810.1 0.2539+0.25 0.12572

4、460.33+540.3385.27) 1.25 6.81+6.8199 0.2518540 6.80.750.5 3.750.1252.75 1.53+23.47.2 4.8 （15 2.4） 3.50.98 40.5 0.81 0.18 6.81+6.8199 9.599 0.2518540 用短除當(dāng)分解質(zhì)因數(shù)36 48 56 57 65 76 87 93 94 105 129 132 135 11102、口算下面各題。3.4aa= a0.3a= 3.1x1.7x= 0.3x3.5xx=15b4.7b= 6.7tt= 32x4x6x= x0.5x0.04x=2x0.4x=48(并檢驗) 8

5、xx=14.7 35x13x=9.6 5(x3)=35 x3.7x2=16.1 4x3x1.2x=158 0.5254x=0.6 0.7(x0.9)=421.3x2.43=12.4 x(30.5)=12 7.4(x2.1)=6 10x458=8105x34=3x54 7x27=133x 5x2x=1.40.07 6x3x=65x13.45.2=1.57 3（x0.2）=9.6 x0.35x=0.91 0.30.1525x=120.4253.5x=6.5 7x31.4x=0.256 5(32x)=2.456(32x)=1.25 1.12x(x3)x=153 (x9)(98x9)=4 7.5xx=

6、10.2 (1.5x)2=9 15x5x16=80 (0.5+x)+x=9.82 54-X=24 7X=49 126X=42 13+x=28.5 2.4X=26.4 7.5x3x=18 51.3-2x=5.5 24x+6x=63.6 X+8.3=10.7 5x 30 x-5.6=9.4 x0.8=90 3x816 3x+9=27 5.3+7x=7.4 3x5=4.8 X-0.8X=6 12x+8x=4.8 7(x-2)=49 48+2x=36 (x-2)3=7 x5+9=21 (200-x)5=30 48-27+5x=31 下面的題請選擇恰當(dāng)?shù)姆椒?9-x=3 91x 1.3 41-3x=17 813x