Предмет: Математика, автор: koliolkme

розпишіть приклад 15:(3 12/17 + 2 5/17)+(4,2-2,6):4

Ответы

Автор ответа: bogdanpop71

0

1) 3 12/17 + 2 5/17 = 5 17/17 = 62) 15:6=2,53) 4,2 - 2 3/5 = 42/10 - 2 3/5 = 42/10 - 26/10 = 16/10 = 1,64) 1,6: 4=0,45) 2,5+0,4=2,9

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Упражнение 233
Раскройте скобки, употребляя глаголы в Past Simple или Past Perfect
1. Tom (to return) from the cinema at five o'clock.
2. Tom (to return) from the cinema by five o'clock.
3. (to finish) my homework at seven o'clock.
4. (to finish) my homework by seven o'clock. 5. He /to think) that he (to lose) the money. 6. Ann (to
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8. When father to return) from work we already (to do) our homework. 9. When the teacher (to enter)
the classroom, the pupils already (to open their books. 10. Kate (to give) me the book which she (to
buy) the day before. 11. Nick (to show) the teacher the picture which he (to draw). 12. The boy (to give)
the goats the grass which he (to bring) from the field. 13. Mother (to see) that Nick (not to wash) his
hands. 14. The teacher (to understand) that Lena (not to do) her homework. 15./(to know) that my
friend (not yet to come). 76. When/ (to wake) up yesterday, father already to go) to work. 17. Nick (to
think) that his father (not yet to come home. 18. Mary (to tell us that she (to cook) a good dinner. 19.
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