X= 100 nha

k mk nha

mk k lại cho!

900 + 100 + x = 900 + 200

  1000        + x =   1100

                    x = 1100 - 1000

                    x =     100

900 + 900 + 900 + 100

=  1800  +  1000

= 2800

\(\text{900 + 900 + 900 + 100}=2800\)

~ Mik ko cop mạng ~ Học tốt Bro ~ 

100+900=1000

100+900=1000

100 + 700 + 200
= ( 100 + 700 ) + 200
= 800 + 200
= 1000

900 + 100
= 1000

100 + 700 + 200
= ( 100 + 700 ) + 200
= 800 + 200
= 1000

900 + 100
= 1000

1000

1000

X-600=900+100

X-600=1000

X=1000-600

X=400

x - 600 = 900 +100

x - 600 = 1000

x = 1000 + 600

x = 1600

hi

ban de the ma ban ko la dc

\(a,\)\(\frac{12}{13}vs\frac{11}{14}\)

\(MSC=182\)

\(\frac{12}{13}=\frac{12.14}{13.14}=\frac{168}{182}\)

\(\frac{11}{14}=\frac{11.13}{14.13}=\frac{143}{182}\)

\(\frac{168}{182}>\frac{143}{182}\Rightarrow\frac{12}{13}>\frac{11}{14}\)

x - 100 = 900 + 100

x - 100 = 1000

x          = 1000 + 100

x          = 1100

mik k roi , k mik nha

x - 100 = 900 + 100

x - 100 = 1000

x = 1000 - 100

x = 900

`a, 1000 : 100 = 10`

`b, 75 xx 100 = 7500`

`c, 900 xx 10 = 9000`

`d, 8 xx 100 : 10 : 10 xx 10000 = 80000`

\(a,1000:100=10\\ b,75\times100=7500\\ c,900\times10=9000\\ d,8\times100:10:10\times10000\\ =800:10:10\times10000=8\times10000=80000\)