21.5/0.05*0.34怎样简便计算
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21.5/0.05*0.34怎样简便计算
21.5/0.05*0.34怎样简便计算
21.5/0.05*0.34怎样简便计算
21.5/0.05*0.34
=21.5*34/5
=4.3*34
=(4+0.3)*34
=136+10.3
=146.3
21.5/0.05*0.34怎样简便计算
21.5/0.05*0.34怎样简便计算
21.5/0.05*0.34怎样简便计算
21.5/0.05*0.34
=21.5*34/5
=4.3*34
=(4+0.3)*34
=136+10.3
=146.3