Question

    a/ 864 - x = 320                    b/ 3 x x = 6 x 4                    c/  x : 5 = 10 x 4

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Answer 1

544

8

200

Answer 2

a) x= 864- 320

x = 544

b) 3 x x = 24

x = 24:3

x = 8

c) x:5= 40

x = 40x5

x = 200

Answer 3

a)

x = 864- 320

x = 544

b) 3 \(\times\) x = 24

x = 24:3

x = 8

c) x : 5 = 40

    x  = 40 : 5

    x  =  8

Answer 4

a) 864 - 544 = 320

b)  3 x 8 = 6 x 4 

 c) Hong Bít !!!