tren mang it ma

Use the words given to make a first conditional sentence. Make

necessary changes and add some words.

1. If / burn rubbish, / produce harmful smoke.

2. If / reuse bottles, / save a lot of money.

3. If / use recycled paper, / save / trees.

4. If / plant trees in the schoolyard, / school / greener place.

5. If / rubbish bin in every class, / classroom / cleaner.

Voi: Elephant

Mình là con trai.

Trang web để dịch nghĩa: https://translate.google.com/?hl=vi

Theo công thức lớp 6:   1 + 2+ 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10

= (10 + 1) . 10 : 2 = 55
9 . 6 = 54
Suy ra:  1 + 2+ 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 > 9 . 6

Suy ra: 1 + 2+ 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 9 . 6 là sai.