65.4-(32.5+15.4)怎样简便 计算
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65.4-(32.5+15.4)怎样简便计算65.4-(32.5+15.4)怎样简便计算65.4-(32.5+15.4)怎样简便计算原式=65.4-15.4-32.5=50-32.5=17.5=65.
65.4-(32.5+15.4)怎样简便 计算
65.4-(32.5+15.4)怎样简便 计算
65.4-(32.5+15.4)怎样简便 计算
原式=65.4-15.4-32.5
=50-32.5
=17.5
=65.4-15.4-32.5
=50-32.5
=17.5
65.4-15.4-32.5=17.5