Question

x + 600 = 300 + 700

Answer 1

x + 600 = 300 + 700

x + 600 = 1000

x          = 1000 - 600 

x          =   400

Answer 2

x + 600 = 300 + 700

x + 600 = 1000

x          = 1000 - 600

x          = 400

Answer 3

x + 600 = 300 + 700

x + 600 = 1000

         x = 1000 - 600

         x = 400

k nháphamthiminhtrang

Answer 4

x + 600 = 300 + 700

x + 600 = 1000

          x = 1000 - 600

          x = 400

mik k bn r

ùi nha ^_^

Answer 5

x + 600 = 300 + 700

x + 600 = 1000

         x  = 1000 - 600

         x  = 400

tk nha

Answer 6

x + 600 = 300 + 700

x + 600 = 1000

          x = 1000 - 600

          x = 400

ai k mk mk k lại ^_^

Answer 7

x+600=300+700

x+600=1000

x       =1000-600

x       =400

Answer 8

X=400

Answer 9

đáp số : 400

mik gấp quá kakaka

Answer 10

x + 600 = 300 + 700

x + 600 = 1000

x = 1000 - 600

x = 400

Answer 11

x+600=1000

x=1000-600

x=400