花生5⼀8×7⼀12-1⼀8×17⼀12等于多少列式计算?

2025-03-19 05:47:11
推荐回答(3个)
回答1:

回答2:

5/8*7/12-1/8*17/12
=(35-17)/(8*12)
=18/(2*2*2*3*2*2)
=(2*3*3)/(2*2*2*3*2*2)
=3/16

回答3:

5/8X7/12一1/8X17/12
=7/12X(5/8一1/8)
=7/12X1/2
=7/24