314․ 

ա)853×8=6824

583×20=11650

715×32=16445

642×210=17040

315.

ա)555×9=4995

4995:9=555

525×70=36750

36750:70=525

815×37=30155

30155:37=815

316. նարկայացրո՛ւ կարգային գմարելիների գումարի տեսքով։

ա)55=50+5, 50005=50000+5, 100003=100000+3

բ)777=700+70+7, 3300=3000+300, 606060=60600+60

317․կատարի՝ր գործողությունները։

ա)24օր-18ժ=23օր 24ժ-18ժ=23օր 6ժ

12ժ-25ր=11ժ 60ր-25ր=11ժ 35ր

7ր-45վ=6ր 60վ-45վ=6ր 15վ

8օր 12ժ-22ժ=7օր 30ժ-22ժ=7օր 8ժ

319.

Լուծում՝5+2=8, 8+8=16, 16+16=32, 32+8=40

Պատ․՝5

1. Do you like chocolate? Yes, I like chocolate.
2. Does your best friend like play to football? Yes, he does.
3. do you live in a big house? No, I don’t.
4. Does your friend listen to pop music? No he doesn’t.
5. do you watch TV every day? Yes, I do.
6. Does your friend play computer games? Yes, he does.

 

1. My grandmother waters the flowers every Sunday.  Does my grandmother water the flowers every Sunday. My grandmother doesn’t  water the flowers every Sunday.
2. We play outdoor games. Does we play outdoor games. We doesn’t play outdoor games.
3. I read interesting books. Do I read interesting books. I don’t read interesting books.
4. I listen to music every Monday. Do I listen to music every Monday. I don’t listen to music every Monday.
5. He watch TV one day in a weak. Does he watch TV one day in a weak. He doesn’t watch TV one day in a weak.