3/4x+2.5乘4=20
0.75x=20-2.5*4
x=40/3
3乘8-60%x=0
-0.6x=-24
x=40
1/1, 1/2, 2/3, 2/4 (3)/(5)(3)/(6)
1 1/2 1/6 1/24 (1)/(120)
1*1=1
1*2=2
2*3=6
6*4=24
24*5=120
3/4x+2.5乘4=20
0.75x=20-2.5*4
x=40/3
3乘8-60%x=0
-0.6x=-24
x=40
1/1, 1/2, 2/3, 2/4 (3)/(5)(3)/(6)
1 1/2 1/6 1/24 (1)/(120)
1*1=1
1*2=2
2*3=6
6*4=24
24*5=120