1:name 2: your 3: meet

Vậy tổng 3 thùng là :

( 10 + 9 + 7 ) : 2 = 13 ( tấn )

Vậy thùng 1 nặng :

13 - 9 = 4 ( tấn )

Thùng 2 nặng :

13 - 7 = 6 ( tấn )

Thùng 3 nặng :

13 - 10 = 3 ( tấn )

1: what does lan want to go?

2: why does your father never go fishing ?

1:teaches

2:hight

3: activities

4: friendly

1: long

2:tallest

3:old

there is a book and five notebooks on the table