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共2个回答
热心网友
23.5×25-35×2.5
=25x(23.5-3.5)
=25x20
=500
热心网友
23.5×25-35×2.5简便计算
=23.5x25-3.5x25
=25x(23.5-3.5)
=25x20
=500