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3.28+6.72除以0.12用简便方法
人气:255 ℃ 时间:2020-06-09 17:38:22
解答
3.28+6.72除以0.12
=3.28+(6+0.72)÷0.12
=3.28+6÷0.12+0.72÷0.12
=3.28+50+6
=59.28
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