(6⼀5+9⼀11+1又5⼀7)⼀(3⼀11+2⼀5+4⼀7)简便计算

2024-11-24 03:09:49
推荐回答(1个)
回答1:

(6/5+9/11+1又5/7)/(3/11+2/5+4/7)
= (9/11+6/5+12/7)/(3/11+2/5+4/7)
=3x(3/11+2/5+4/7)/(3/11+2/5+4/7)
=3