Đáp án:+Giải thích các bước giải:
Muốn làm xong con đường đó trong 6 ngày thì cần số người là:
(15x16):6=40 (người)
Đ/S:40 người
Đáp án:
40 người
Giải thích các bước giải:
1 người làm hết con đường đó thì hết số ngày là:
15 x 16= 240 (ngày)
240:6=40 (người)
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Giúp mk (phải có cả cách làm nữa nhé) 1. They are painting the living room at the moment. ->The living room ............................................... 2. John drives more carefully than his brother does. John's brother doesn't ....................................... 3. Learning English is not easy It is .................................................................. 4. They were such difficult questions that we couldn't answer all of them. The questions were so ..... 5. I don't know her phone number, so I can't call her. If I .................................................................. 6. Don't let the children stay up too late. (allowed) -> 7. My sister is not old enough to ride a bicycle. (too) -> 8. She is mean and bad-tempered. (but) -> 9. We had to do a lot of homework at school. (made) -> 10. Although he was ill, he managed to get the job done in time. -> 14. We spent nearly a week making these toys. (took) -> 15. Peter isn't trying to solve his financial problems. (effort) -> 16. The doctor gave him a warning not to smoke because it's dangerous. (warned) -> 17. In her eyes, all her classmates are not trustworthy. (thinks) -> 18. She was grateful to them for their hospitality. (thanked) -> 19. He didn't want to participate in the volunteers' activities. (take) -> 20. They didn't let him get in the disco because he was under 18. (prevented) ->
Giúp mình giải câu này với (Vote 5 stars )
Giải bpt sau : $\frac{1}{3-2x}$ `=0`
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