Đáp án:
A)1/3+3/8-7/2
=8/24+9/24-84/24
=-67/24
B)-3/14+5/8-1/2
=-12/56+35/56-38/56
=-15/56
C)1/4-2/3-11/18
=9/36-24/36-22/36
=-37/36
D)1/4+5/12-1/13-7/8
=78/312+130/312-24/312-273/312
=-89/312
Làm hộ em bài 4 với Em cảm ơn Mai em phải nộp r ạ
Câu 1: Nêu các bộ phận và chức năng của não bộ ? Câu 2: Nêu các bộ phận và chức năng của tai ?
các giai đoạn chính của lịch sử việt nam từ 1919-1954 3 giai đoạn 1919-1930,1930-1945,1945-1954 làm giúp mk nhanh nha
Nghị luận: Tình yêu thương con người trong đại dịch covid 19 Giúp e với e cần rất gấp E ko có nhiều điểm nhưng e sẽ vote 5sao vs ctlhn cho mọi ng giúp e đi ạ
Mọi người làm hộ mình với ạ Mình đang cần gấp
1/1.3 + 1/3.5 + ... + 1/199.201 Tính nhanh?
XII. Put the verbs in brackets into the correct form. 1. We _____________ (stay) at home if it rains. 2. She will call you if she _____________ (have) time. 3. If it _____________ (not rain) tomorrow, we will go for a picnic. 4. If everyone ____________ (recycle) paper, metal and glass, we ____________ (not produce) so much rubbish. 5. If you _____________ (not water) plants, they _____________ (die). 6. If the weather _____________ (be) bad, we _____________ (not go) to the park. 7. We ____________ (save) thousands of trees if we ____________ (not waste) so much paper. 8. What _____________ (happen) if we _____________ (keep) polluting the environment. 9. If we _____________ (not stop) cutting down so many trees, we _____________ (endanger) our oxygen supply. 10. If people _____________ (dump) chemicals into rivers, they _____________ (not be) able to swim in them in the future. XIII. Write the comparative or superlative of the adjectives in brackets. 1. It’s today ____________ than it was yesterday. (warm) 2. Rio de Janeiro is one of ____________ cities in the world. (beautiful) 3. The second question was ____________ than the first one. (difficult) 4. Australia is ____________ continent on Earth. (old) 5. China is ____________ country in the world. (populated) 6. My exam results were ____________ than I expected. (bad) 7. Ms. Nicholson is ____________ teacher I’ve ever known. (good) 8. The city is ____________ than it used to be. (crowded) 9. Tokyo is still the world’s ____________ city with 37 million inhabitants. (large) 10. Cool Blue Villa is one of ____________ houses ever built. (modern)
Cách tính số đo góc kề bù vs góc xOt, biết xOt =70 độ
SƯA LỖI SAI 1.When I was on holiday last summer,I was going to the beach every day. 2.Tom used to going to school by bus.Now he goes by a bike. 3.Mary is used to do her homework by herself. 4.on winter day,we all used to sit around the fire and told stories. 5.The Chinese build the Great Wall over two thousands years ago. V.Give the correct word formation 1.This knife is It can’t cut anything. USE 2.Every week there are two from HN to N Trang . FLY 3.Graham hates queuing.He is very (PATIENT) 4.Their office equipment needs to be MODERN 5.There is no easy to the problem.(SOLVE) 6.They celebrate their on 4th July.DEPEND 7.have you seen the latest Pepsi.ADVERTISE 8.I feel so that I am going to bed.SLEEP 9.8 is by 2 and 4 but not by 3. DIVIDE 10.the baby slept PEACE 11.Hoa has a lot of friends as she is so FRIEND 12. I hope to speak Enghish as as my teacher . GOOD 13. VIET NAM is interested in saving resources NATURE
Giúo e hoàn thành trong buổi tối ngày hôm nay đi ạ (hứa vote 5 sao) nhưng mà phải làm nhanh
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