五分之三加三分之二减五分之六?
发布网友
共4个回答
热心网友
解:简便运算如下:
3/5+2/3-6/5
=(3/5-6/5)+2/3
=-3/5+2/3
=(2x5)/(3x5)-(3x3)/(5x3)
=10/15-9/15
=1/15
热心网友
3/5+2/3-6/5
=9/15+10/15-6/5
=19/15-18/15
=1/15
热心网友
3/5+2/3-6/5
=9/15+10/15-18/15
=（9+10-18）/15
=1/15
热心网友
3/5+2/3-6/5
＝3/5-6/5+2/3
＝10/15-9/15
＝1/15
