100+900=1000

=1000

100+900=1000

x + 100 = 500 + 200

x + 100 = 700

x          = 700 - 100

x          = 600

x=600 bạn nhé

x + 100 = 500 + 200

x + 100 = 700

x = 700 - 100

x = 600

100 + x = 400 - 100

100 + x = 300

         x = 300 - 100

         x = 200

mik tk bạn rồi nha,tk lại mk nha

100 + x = 400 -100

100 + x = 300

         x = 300 -100

         x = 200

100 + x = 300

= 300 - 100 = 200

x = 200

x + 100 = 200 +100

x + 100 = 300

x          = 300 - 200

x          = 100

x + 100 = 200 + 100

x + 100 = 300

x = 300 - 100

x = 200

Mk nhanh nhất đó 

x+100=300

x=300-100

x=200

tk minh nha

minh nhanh nhat

2152 - x = 311

x = 2152 - 311 

x = 1841

x + 415 = 900

x = 900 - 415

x = 485

2152-x=311

=> x=1841

x+415=900

=> x=485

tíc mình nha

\(+2154-x=311\)

\(x=2154-311\)

\(x=1843\)

\(x+415=900\)

\(x=900-415\)

\(x=485\)

> tck mình nha

100 + 600 + 900 > 50 + 700 + 100

Nếu mình đúng thì k mình các bạn nhé

> tk mình nha mình nhanh nhất đó

1+1x1 = 2

OK nha

= ? bn nao nhanh mik se k

1 + 1 x 1

=1+1

=2

^_^

bằng 300 nha

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa?

= 300
-tt-

trả lời :
=300

^HT^