2又4⼀9÷7⼀12=x

2025-06-27 02:30:57
推荐回答(2个)
回答1:

2又4/9÷7/12=x
22/9÷7/12=x
x=22/8*12/7
x=33/7

回答2:

(2+4/9)/(7/12)=(22/9)*(12/7)=264/63=88/21