十一分之五乘七分之八加十一分之三乘你分之五等于多少简便计算

2024-11-29 03:58:15
推荐回答(1个)
回答(1):

5/11x8/7+3/11x5/7
=8/11x5/7+3/11x5/7
=(8/11+3/11)x5/7
=1x5/7
=5/7