青岛版五年级数学上计算题专项练习.doc

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青岛版五年级数学上计算题专项练习
一、能简算的要简算
10.9-3.74+0.96.8+1.25×6.8×82.43×99+2.43

(8.14-3.75)÷2.5÷435.72-4.9-（5.72+5.1）

27.38-5.34+2.62-4.668.23+6.5-8.23+6.5

20.4-6.47×232.2+7.08÷0.432.4×4+32.4

12.75－（2.75＋6.8）13.35－4.68＋2.65

27.38－5.34＋2.62－4.6625－4.7＋5.3

45.5－（6.82－15.45）8.23＋6.5－8.23＋6.5

35.72－4.9－（5.72＋5.1）28.46－2.99

13.75－（3.75＋6.48）7.85＋2.34－0.85＋4.66

5.86－0.72＋0.3823.8－1.64－13.8－5.36

10－2.57－6.4327.38－5.34＋2.62－4.66

二、直接写出得数：
0.75+0.38=4.8+4.2=8.5+2.5=

46×0.3=0.8×60=3.7÷5=

7.5×0.4=10÷0.01=4.5×4=

9.9×101=73×1.01=3.8×10.1=

2.8×99=3.5×9.9=4.5×1.1=

4.76×25=1.6×11=3.2×10.1=

25×9.6=57×9.9=31×1.1=

3.22×5=2.61×5=4.5×4=

1.25×8=2.21×3=6.2×5=

4.43×6=1.25×16=2.2×5=

8.21×8=3.54×6=3.25×1=

2.31×4=4.52×3=6.15×2=