Հանրահաշիվ
42.
ա. Հիմքը`b, աստիճանը`4
բ. a•a•a•a•a=a⁵
գ. c•c•c•c•c•c•c=c⁷
դ. k•k•k•k•k•k•k•k•k=k⁹
46.
ա. =44p⁴k²x³
բ. =120x⁶y⁴
գ. =-18a³b
դ. =28b³c²
ե. =-25c⁴k³
զ. =63k³p⁶
է. =-40p⁴x⁷
ը. =150x⁴x³
Check Your Progress
I wake up at 7.00. 2. I sometimes work on Saturdays. 3. I never work at the weekends. 4. I see my family at Christmas. 5. I go on holiday in August. 6. I go to bed at 11 p.m. 7. I watch TV in the evening. 8. I do my English homework at night. 9. I read the newspaper in the morning. 10. I have lunch at 1.30 p.m. 11. I always go out on Friday nights. 12. I go to a restaurant at New Year’s Eve. 13. I start a new school year in September. 14. I go skiing in the winter. 15. I was born in 1977. 16. I get up late on Saturday mornings. 17. I usually have a cup of coffee in the afternoons. 18. My birthday is in July. 19. The party is in the first of October. 20. We have a meeting on the first Thursday of the month. Fill in the correct form of the verb given. Who is writing to? – He is writing to his sister Maria, who is usually in England at this time of the year. (HE WRITE, WRITE, BE) Marty was smoking just when his mother came into his room. (
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