18.75-3.64+1.25-6.36的简便算法是怎么算?

2025-04-14 01:32:27
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回答1:

18.75-3.64+1.25-6.36的简便算法是怎么算?
=(18.75+1.25)-(6.36+3.64)
=20-(6.36+3.64)
=20-10
=10