x=1/28

x = 2323/4646-1313/2828

x= 1/28

\(\dfrac{1313}{2828}+x=\dfrac{2323}{4646}\\ \dfrac{13}{28}+x=\dfrac{1}{2}\\ x=\dfrac{1}{2}-\dfrac{13}{28}\\ x=\dfrac{14}{28}-\dfrac{13}{28}\\ x=\dfrac{1}{28}\)

\(y+y+y+y\cdot3=3678\)

\(y\cdot1+y\cdot1+y\cdot1+y\cdot3=3678\)

\(y\cdot\left(1+1+1+3\right)=3678\)

\(y\cdot6=3678\)

\(y=3678:6\)

\(y=613\)

\(y+y+y+y\cdot3=3678\) 

\(6y=3678\) 

\(y=3678:6\) 

\(y=613\)

\(y+y+y+y\times3=3678\)

\(=y\times\left(1+1+1+3\right)\)

\(y\times6=3678\)

\(y=3678\div6\)

\(y=613.\)

13625

bạn thân nhất là hoshimiya ichigo 

Trả lời 

13625

Tên là Minh

\(\frac{1919}{2323}.\frac{4646}{7474}.\frac{37}{19}\)

\(=\frac{19}{23}.\frac{23}{37}.\frac{37}{19}\)

\(=\frac{19.23.37}{23.37.19}\)

\(=1\)

_Chúc bạn học tốt_

ta có:

 \(\frac{1919}{2323}=\frac{19}{23}\)

\(\frac{4646}{7474}=\frac{46}{74}\)

=> \(\frac{1919}{2323}\cdot\frac{4646}{7474}.\frac{37}{19}=\frac{19}{23}\cdot\frac{46}{74}\cdot\frac{37}{19}\)= \(\frac{19}{23}\cdot\frac{2\cdot23}{37\cdot2}\cdot\frac{37}{19}\)= 1

= 1 nhé bạn

3678 - 65 + 234 = 3847

537 + 537 = 537 x 2 = 1074

12 376 - 754 = 11 622

Chúc bạn học tốt, nhớ k mình nha

3678 - 65 + 234 = 3847

537 + 537 = 1074

12376 - 754 = 11622

nhớ k cho t nhá

cảm ơn

12356 +3678=16034 nhe ban 

nho tk va k bn voi mh nha* _ *

16034  nha bạn

16034

k mik nha

\(\frac{1313}{2828}+x=\frac{2323}{4646}\)

hay \(\frac{13}{28}+x=\frac{1}{2}\)

\(x=\frac{1}{2}-\frac{13}{28}\)

\(x=\frac{1}{28}\)

\(\frac{23}{69}-x=\frac{17}{153}\)

hay \(\frac{1}{3}-x=\frac{1}{9}\)

\(x=\frac{1}{3}-\frac{1}{9}\)

\(x=\frac{2}{9}\)