600 + 600 x 2
= 600 x 1 + 600 x 2
= 600 x ( 1 + 2 )
= 600 x 3
= 1 800.
Đúng 0
Bình luận (0)
600 + 600 x 2
= 600 x 1 + 600 x 2
= 600 x ( 1 + 2 )
= 600 x 3
= 1 800.
300+300+200+400+600x2
600+600+600=
600+600=
ai tick minhf minhf ticks laij
600+600=1200
600*600=...................................................................
x + 600 = 600 + 50
x + 600 = 600 + 400
x + 600 = 600 + 400
x + 600 = 600 + 400
x + 600 = 600 + 400