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能简便简便计算,0.75乘以46+4分之3乘以55-3除以4
人气:214 ℃ 时间:2020-03-24 15:52:21
解答
0.75乘以46+4分之3乘以55-3除以4
=3/4x46+3/4x55-3/4x1
=3/4x(46+55-1)
=3/4x100
=75
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