Question

tìm x :

a, x +4/7=2:2/5

b, x-1/8=1/4 nhân 1/2

Answer 1

a) x + 4/7 = 2:2/5

x+ 4/7 = 1/5

x = 1/5 + 4/7

x= 2/7 ( đã rút gọn )

b) x - 1/8 = 1/4 * 1/2

x -1/8 = 1/8

x = 1/8 + 1/8

x = 2/8 ( đã rút gọn )

Answer 2

a,x+4/7=5                        b,x-1/8=1/8

  x=5-4/7                               x=1/8+1/8

    x=31/7                                 x=1/4

Answer 3

A, x = 62/14 ;B, x = 2/8

Answer 4

64\14; 2\8