a) 9/7:x=3/4
x=9/7:3/4
x=12/7
b) x-1/6=13/4-5/2
x-1/6=3/4
x=3/4+1/6
x=11/12
a) x = 9/7 : 3/4
x = 12/7
vậy x =...
b) x - 1/6 = 3/4
x = 3/4 + 1/6
x = 11/12
vậy x =..
a) 9/7 : x = 3/4
x = 9/7 : 3/4
x = 9/7
b) x - 1/6 = 13/4 - 5/2
x - 1/6 = 3/4
x = 3/4 + 1/6
x = 11/12