Dc ban a ???

Tích 2 số là:

9 × 2 = 18

Ta có: 18 = 1 × 18 = 2 × 9 = 3 × 6 (1)

9 = 1 + 8 = 2 + 7 = 3 + 6 = 4 + 5 (2)

Từ (1) và (2) => 2 số cần tìm là 3 và 6

Vậy 2 số cần tìm là 3 và 6

Ủng hộ mk nha ^_-

1. That director __ a big company.

a, guides b,rans c, lead d,goes

2. She wishes that she__ the meeting last weeks.

a, attended b, attends c, had attended d,would attend

3. We should make our effort to contribute __ our sports team.

a, for b,to c,at d,on

4. I did not come to the party because I __

a, do not invite

b, was not invited.

c, am not invited.

d, did not invite

5. We accused him __a live.

a, to telling

b, to tell

c, in telling

d, of telling

1. I (do) my homework when you (phone) me last night.

2. It often (rain) hard in summer.

3. You (get) good marks If you study harder.

4. My brother enjoys (read) in his free time now he (read) a inagazine.

5. We (not see) him for 2 weeks.

1, She learn bad by because she neaver does her home work.

-> if she

2, He is not thirsly, so he doesn't drinle the water.

-> If he

3, We did not do the exam If he did not do the test will because we did review the lesson careful.

-> If we

4, He world pass the exam If he didn't spend much time playing video games

-> Unless