Question

[Nguyễn Ngọc Trang]

2 TÌM X

X- 9 = 21:5 

X = ............................

X = ............................

X : 3 = 1,248 : 4

X = .......................... 

X = ............................

Answer 1

[qlamm]

X- 9 = 21:5 

X- 9 = 4,2

x = 4,2 + 9

x = 13,2

X : 3 = 1,248 : 4

X : 3 = 0,312

x = 0,312 x 3

x = 0,936

Answer 2

[Lihnn_xj]

x - 9 = 4,2

x = 4,2 + 9 =13,2

x : 3 = 0,312

x = 0,312 x 3 = 0,936