Question

1440/4X-1440/5X=5+3/4等于多少

Answer 1

1440/4*X-1440/5*X=5+3/4

1440/20*x=23/4

x=23/4*20/1440

x=23/288

1440/(4X)-1440/(5X)=5+3/4

1440/(20X)=23/4

72/X=23/4

X=72*4/23

X=288/23