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五年级递等式计算:70.1-(16+21.84÷28)怎么算
人气:197 ℃ 时间:2020-06-16 15:12:21
解答
70.1-(16+21.84÷28)
=70.1-(16+0.78)
=70.1-16-0.78
=54.1-0.78
=53.32
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