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问题: 各位来参谋参谋

(7又4/25加上8.6)除以((4又5/7-0.005乘以900)除以6/7)等于多少呢?~

解答:

(7又4/25加上8.6)除以((4又5/7-0.005乘以900)除以6/7)
=(7.16+8.6)/((4.714-4.5)/0.857)
=15.76/(0.214/0.857)
=15.76/0.25
=63.04