a/ 864 - x = 320 b/ 3 x x = 6 x 4 c/ x : 5 = 10 x 4
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a) x= 864- 320
x = 544
b) 3 x x = 24
x = 24:3
x = 8
c) x:5= 40
x = 40x5
x = 200
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
a) 864 - 544 = 320
b) 3 x 8 = 6 x 4
c) Hong Bít !!!