linh tinh olm trừ điểm đi

We can learn diffrent countries around the world in geography.

a) Mary is as tall as her brother.

b) A lemon isn't as sweet as an orange.

c) A donkey isn't as big as a horse.

d) This dress is as pretty as this one.

e) The weather isn't as cold as yesterday.

a ) theo đề ra . ta có :

28 chia hết cho a

36 chia hết cho a 

a > 2

b ) Theo đề ra , ta có :

a \(\in\)ƯC(28;36)

28 = 2².7

36 = 2².3²

2 = 2¹

UWCLN( 28 ; 36 ) = 2²=4

ƯC( 28 ; 36 ) = Ư(4)={1;2;4}

Mà số bút trong hộp lớn hơn 2 nên:

a=4

c ) Theo câu b , ta có :

Số bút chì màu trong hộp là 4 .

Vậy số hộp màu Mai mua là :

28 : 4 = 7 ( hộp )

Số Hộp màu Lan mua là :

36 : 4 = 9 ( hộp )

1 ) cleaned

2 ) teaches

3) Did ..... frovide ............?

Yes, I did

1) held

5 ) didn't start

6 ) wasn't

7) got

a) hotel

b) lake

c) bell

chúc bạn học giỏi nha

a ) bell

b) toystore