đổi: 8m=0,8m

diện tích xung quanh của bể cá là: (1,5+0,8)x2x1=2,4(m2)

diện tích đáy của bể cá là:1,5x0,8=1,2(m2)

Diện tích kính để làm bể là:2,4+1,2=3,6(m2)

Đ/S: 3,6m2

viet cau lam sao ma nghia van giong cau truoc

d

13,8

a

1. c

2. b

3. c

4. d

5. c

6. d

viết câu làm sao mà nghĩa vẫn như câu trước

2. Were your parent at home yesterday? -No, they weren't

3. Was Tom on the bus this morning? -No, he wasn't

4. Was it sunny last Saturday? -Yes, it was

5. Were you in the team last week? -No, I wasn't

6. Were they at the party last night? -Yes, they were

7. Were the shops open last Sunday? -No, they weren't

từ nhiều nghĩa