9分之4加15分之2的和除以15分之2

2024-12-23 11:05:45
推荐回答(1个)
回答1:

(4/9+2/15)/(2/15)
=(4/9)/(2/15)+(2/15)/(2/15)
=(4/9)*(15/2)+1
=10/3+1
=13/3

有帮助的话亲给好评哦~~~谢谢~~~