名贯四海5.66破解版×0.37 0.37×名贯四海5.66破解版-名贯四海5.66破解版的简便方法

24×66+33×52简便方法_百度作业帮
24×66+33×52简便方法
24×66+33×52简便方法
24*66+33*52=24*2*33+33*52=48*33+52*33=(48+52)*33=33005/8*33+66*62.5%+0.652怎么简便计算_百度作业帮
5/8*33+66*62.5%+0.652怎么简便计算
5/8*33+66*62.5%+0.652怎么简便计算
5/8*33+66*62.5%+0.652=0.625×33+66×0.625+0.652=0.625×33(1+2)+0.652=0.625×99+0.652=0.625(100-1)+0.652=62.5-0.625+0.652=62.527你的题目里的0.652应该是0.625吧?
5/8*33+66*62.5%+0.652…………变一变就简便(因为,5/8=62.5%,0.652=62.5%)=62.5%×33+66×62.5%+62.5%×1=62.5%×(33+66+1)=62.5%×100=6250
5/8*33+66*62.5%+0.625=0.625*33+66*0.625+0.625*1=0.625*(33+66+1)=0.625*100=62.50.34×12.5+0.125×66怎么简便计算_百度作业帮
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+12.5×0.66=12.5×(0.34+0.66)=12.5×1=12.5
b=y-aab=ay-a²=xa²-ay+x=0a=[y±√(y²-4x)]/2b=y-a所以a=[y-√(y²-4x)]/2,b=[y+√(y²-4x)]/2a=[y+√(y²-4x)]/2,b=[y-√(y²-4x)]/2
=0.34×12.5+12.5×0.66=12.5×(0.34+0.66)=12.5×1=12.5

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