=2.86X1/0.34(0.34分之一)+5.4X1/0.34(0.34分之一)
=(2.86+5.4)X1/0.34
=413/17(17分之413)
或者:
=286/34+540/34
=826/34
=413/17不是很明白,能解释一下吗可以转化为分数运算,除以0.34转化为乘0.34分之一,提取公因数,为(2.86+5.6)/0.34,=8.26/0.34,分子分母同时扩大100倍,=826/34,化简后得:=413/17(/相当与分数线)有0.34分之1这样的分数??= =有的木有- -把它化简了就有- -