3.2除以0.75加3.3除以0.75加1除以0.75
=(3.2+3.3+1)÷0.75
=7.5÷0.75
=10
3.2除以0.75加3.3除以0.75加1除以0.75 简便方法
3.2除以0.75加3.3除以0.75加1除以0.75 简便方法
数学人气:750 ℃时间:2019-11-03 05:01:09
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