递等式的简便计算(算式要合理的)

问题描述:

递等式的简便计算(算式要合理的)
75x16         146x31÷73x75          1248÷96x24     96x15÷9(45x16)=                =                               =                        ==                =                               =                        =
1个回答 分类:数学 2014-12-06

问题解答:

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86×128—86×29+86 =86×128-86×29+86×1=86×(128-29+1)=86×100 =8600 86×128—86×29+86 =86×(128-29+1) =86×100
 
 
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