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四年级下册计算专项练习（二）

2012-06-08 11:03:37| 分类：千里之行始于足下 | 标签： |举报 |字号大中小订阅

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一、直接写出得数：

3.7+8.4= 0.58+3.2= 6-3.3= 5.4-2.8=

25×16= 6.68-2.5= 6.38+8.62= 3.92-0.2=

0.225×10= 100×2.03= 6.2÷10= 123÷100=

0.025×100= 13-2.3-3.7= 4×28×25= 36×0÷2.55=

2.8+58×0= 5.5+4.52+4.5= 100×3÷100×3＝

二、竖式计算并验算：

12.65+7.5= 83.6-4.35=

三、计算，有些能简便的要简便计算：

99×85+85

5.63+8.8+4.37+1.2

36×19-9×36

55×101

2.38-2.4+3.62

125×24

75×55+75×45

27.5-6.8-3.2

55.83-(3.2+5.83)

29×125×8

5600÷25÷4

250÷8×4

58+（124-24×3）

32.3-（5.02+2.03×10）

32×18+（32.6+18.09）

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