Đáp án: 25%
Giải:
Nếu giá vốn là 100% thì giá bán là 80%
1 học sinh sẽ mua được bằng số phần trăm giá bán là:
100% : 80% = 125%
Học sinh đó sẽ mua thêm được số phần trăm là:
125% - 100% = 25%
Đáp số: 25%
Đáp án:
Giải thích các bước giải:
giá còn 80%
Số tiền mua vẫn là 100%
100% : 80% = 1,25
1,25 = 125%
Vậy mua thêm đc 25% số vở
Chúc bạn học tốt
Làm giúp ml câu này tính bằng cách thuận tiện nhất 1/4×45+0,25×35+25/100×19+25%
Tính hợp lý: a, 2/5+3/4:3-1/36.(-3)² b, 2016.2017+4034/2018.2019-4036 c, 11.3^29-9^15/(2.3^14)² d, 2+2²+2³+...+2^100-2^101
Giải phương trình sau: x(3x-6)-6x+12=0
mệnh đề hiền tài là nguyên khí quốc gia được tác giả khai triển thế nào
Although + clause <=> In spite of + Noun / gerund Despite a. We went on a picnic although the weather was cold............................ b. All of us will go to the meeting although it’s very far from here......... c. Although Mr Chanh is nearly seventy, he still likes to participate in every community activity............................................................... d. . Although his knowledge of English is still poor, Nam gets along very well in class discussion........................................................ e. Minh came to class in this morning although he had a bad cold................ f. Old Mr Ba attended the tree planting ceremony although the weather was awfully sultry. .................................................................. g. The people of HCM City will accomplish the “ green revolution” victoriously although water scarce................................................................ h. Our country will become prosperous and powerful although we have to overcome many difficulties and hardships. ...................................................................................................... i. The guerillas will win the battle although the fascist government has many modern weapons. ................................................................................................... j. The first-year students worked all afternoon in the trenches although it rained heavily. 5. USED TO. TO BE USED TO a. S + be accustomed to + V_ing b. S + often + V <=> S + be used to + V_ing c. This is the first time + The present perfect tense <=> S + be not used to + V_ing a. They once started these machines by hand. b. He doesn’t get up late any more. c. I don’t listen to the radio any more. d. They don’t have a dog any more. e. My brother doesn’t serve in the army any longer. f. Ben is not as keen on travel as she used to be. g. When he was young, he usually did morning exercises in the park. h. The man often spent his holiday in the mountain when he was young. i. Before he had the car, he went to work by bike. j. When I was young , I often got up early. k. Janie isn’t accustomed to working so hard. l. I often get up early. m. My English friend finds driving on the right difficult. n. This is the first timethat I have lived in a city with a high crime rate. o. She has always got up early in the morning. q. Working a large office is a new experience for me. r. My brother is accustomed to living in a cold climate. s. I don’t normaly go into town by car. t. My grandmother is not accustomed to the cold weather. u. This is the first time my daughter has eaten European food.
Giúp mình với Giúp mình với Giúp mình với Giúp mình với Giúp mình với Giúp mình với. Giúp mình với
ai ve đc anh Dirak trong LQ đẹp mik phát điểm cho :D
Tìm x | x + 2 | - 12 = - 1 Giúp mình
Toán 12 Mn giúp mk câu này vs ạ, cảm ơn mn nhiều
vẽ hình ,viết giả thiết kết luận và chứng minh định lí hai tia phân giác xuất phát từ đỉnh 2 góc kề bù thì vuông góc
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