0.34×12.5＋0.125×66怎么简便计算

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0.34×12.5＋0.125×66怎么简便计算

0.34×12.5＋0.125×66怎么简便计算
0.34×12.5＋0.125×66怎么简便计算

0.34×12.5＋0.125×66怎么简便计算
0.34×12.5＋0.125×66
=3.4*1.25+1.25*6.6
=1.25(3.4+6.6)
=1.25*10
=12.5

0.34×12.5＋0.125×66
=0.34×12.5+12.5×0.66
=(0.34+0.66)×12.5
=1×12.5
=12.5

0.34×12.5＋0.125×66
=0.34×12.5+12.5×0.66
=(0.34+0.66)×12.5
=1×12.5
=12.5

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