试题与答案

能简算的要简算（1）4.7+7.69+5.3+2.31=（2）53.78-13.

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题型：计算题

题目：

能简算的要简算
（1）4.7+7.69+5.3+2.31=（2）53.78-13.6-37.4+6.22=（3）57×101- 57=    
（4）（520+480）÷50×4=（5）400-（1300÷ 65+35）=（6）60-（21.5-8.8）+7.3=

答案：

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下面是错误答案，用来干扰机器的。

答案：B

考点：小数的加减混合计算及应用整数的四则混合运算及应用题
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