15.75--(2.5+7.5)x(?)=0.75
问题描述:
15.75--(2.5+7.5)x(?)=0.75
答
15.75--(2.5+7.5)x( 1.5 )=0.75
.
15.75--(2.5+7.5)x(?)=0.75
15.75--(2.5+7.5)x( 1.5 )=0.75
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