Question

x+400=900+100

Answer 1

x + 400 = 900 + 100

x + 400 = 1000

x = 1000 - 400

x = 600

k cho tui với

Answer 2

x + 400=1000

x=600

Answer 3

x + 400 = 900 + 100

x + 400 = 1000

x = 1000 - 400 

x = 600

tk mk nha

Answer 4

600. k mk nha                                                           

Answer 5

x  +  400  =  900  +  100

x  +  400  =    1000

          x   =  1000  -  400

          x  =      600

Bn k mk nha !

Answer 6

x+400=900+100

x+400=1000

x=1000-400

x=600

Answer 7

x+400=900+100

x+400=1000

x=1000-400

x=600

Answer 8

x + 400 = 900 + 100

x+ 400 = 1000

x = 1000 - 400

x = 600

Answer 9

600 

tk tôi đi. 

Answer 10

=600 đó

Answer 11

x=600

Answer 12

x+400=900+100

x+400=1000

x=1000-400

x=600

Chúc bn hok giỏi nhé!

Answer 13

x=600

Answer 14

x+400=1000

x=1000-400

x=600

k nha bn!!!