试题:
43.87×2.65-26.5×5.613=(265)

答案:

我来补答
43.87×2.65+26.5×5.613,
=43.87×2.65+(2.65×10)×5.613,
=43.87×2.65+2.65×56.13,
=(43.87+56.13)×2.65,
=100×2.65,
=265.
 
 
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这些题目你会做吗?