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5.56乘以4减去4.56除以0.25怎么简便运算
人气:406 ℃ 时间:2019-12-01 09:16:14
解答
5.56乘以4减去4.56除以0.25
=5.56x4-4.56x4
=(5.56-4.56)x4
=1x4
=4
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