a + a + a + 360 = 960
=> 3 x a = 600
=> a = 200
vậy a= 200
a + a + a + 360 = 960
3a + 360 = 960
3a = 960 - 360
3a = 600
a = 600 : 3 = 200
a + a + a + 360 = 960
a x 3 + 360 = 960
a x 3 = 960 - 360
a x 3 = 240
a = 240 / 3
a = 80 k mk , mk k lại
a+a+a+360=960
a×3+360. =960
a×3. =960-360
a×3 =600
A =600÷3
A. =200
a + a + a + 360 = 960
a x 3 + 360 = 960
a x 3 = 960 - 360
a x 3 = 600
a = 600 : 3
a = 200
