= 7/18 + 5/3 x 12/9 x 4/55

= 7/18 + 5/3 x 16/165

= 7/18 + 16/99

= 693/1782 + 288/1782

=109/198

$/frac{7}{18}$

`\(26dm\)`

$\(26dm\)$

\(26dm\)

$5dm$

xin cách latex ạ

 Chiều rộng`: 36 : 9 = 4 d m`

 Chu vi`: ( 9 + 4 ) × 2 = 26 d m .`

      `Đ/s :......`

if he hadn't stayed up late last night, he wouldn't be tired now

thì quá khứ đơn

If he was here , he would have good fun.