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简算3.6÷[0.25×(17.3+30.7)]
人气:154 ℃ 时间:2020-03-24 19:08:40
解答
3.6÷[0.25×(17.3+30.7)]
=3.6÷[0.25×48]
=3.6÷[0.25×40+0.25×8]
=3.6÷[10+2]
=3.6÷12
=3.6÷4÷3
=0.9÷3
=0.3
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