怎样解答?急555~
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怎样解答?急555~
怎样解答?急555~
怎样解答?急555~
=(43.3×1.25+7)×0.5
计算机可以
[43.3×﹙2-75%﹚+7]×1/2
=﹙43.3×1.25+7﹚×1/2
=﹙54.125+7﹚×1/2
=61.125×1/2
=30.5625
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