Đáp án:
105.625 M2
Giải thích các bước giải:
S hcn: (26* 1/4) * 26=169cm2
S dat lam nha: 169*62.5= 105.625 cm2
Đáp án:↓↓↓
Chiều rộng mảnh đất hình chữ nhật là:
26 : 1/4= 6,5(m)
Diện tích mảnh đất hình chữ nhật là:
26 x 6,5=169(m2)
Diện tích đất làm nhà là:
169 : 100 x 62,5=105,625(m2)
Đáp số: 105,625 m2
VII. Each sentence has a mistake. Find and correct it. 1. My brother loves play chess when he has free time. 2. I find woodcarving interest because it’s creative. 3. Many people wait for the dentist at the moment. 4. They have donated blood three months ago. 5. Did you finished your homework yet? 6. I’d like to go, and I have to study for my test tonight. 7. Eat more fast food, or you’ll put on weight. 8. Do you think staying at home all day is bored? VIII. Make questions for the underlined parts. 1. A: B: My favourite hobby is taking photos. 2. A: B: He spends most of his free time carving eggshells. 3. A: B: I often share my hobby with my best friend. 4. A: B: She went to the doctor because she had a high fever. 5. A: B: People need about 2.000 calories a day to stay in shape. 6. A: B: I started working as a volunteer in 2015. 7. A: B: So far, we have provided food and clothes to people in need. 8. A: B: My mother has done charitable work for five years. IX. Fill in each blank with a word from the box. It’s not uncommon in America for a person to belong to some kind of volunteer group. (1)____________ one’s time and services is very much a part of the American way of life. Most (2)____________ activities are organized by churches and groups around the nation and even encouraged by the government. The (3) ____________ hand is extended to the poor, the homeless and the (4) ____________. Some people work to teach youngsters (5) ____________ to read, others open up soup kitchens to (6) ____________ the homeless. Volunteers also take (7) ____________ of the disabled by making reading tapes for the blind and working in orphanages to help children without (8) ____________.
Đồng nghĩa và trái nghĩa của từ hùng vĩ
Hoa tan hoan toan hh X gom Fe , Mg bang 1 luong vua du dd HCL 20% thu duoc dd Y . Nong do cua FeCl2 trong dd Y la 15,76 % . Tinh nong do % cua MgCl2 trong dd Y
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17 dam-6dam==33dam:.... 620 -614dam= 6 dam x .... 19hm +45hm = 8 hm x ...
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