Question

[Ai chan]

Tìm x:

X x 12 =12000

X : 50 =1000

X x 30 =40 + 20

X : 20 =40 + 40

Answer 1

[Nguyễn Thị Mai Hoa]

Xx12=12000

     X=12000:12

     X=1000

X:50=1000

    X=1000:50

    X=20

Xx30=40+20

Xx30=60

     X=60:30

      X=2

X:20=40+40

X:20=80

    X=80x20

    X=1600

Answer 2

[Nguyễn Công Bách]

x=100

x=20

x=2

x=1600