[a:b] = 6; [a;b] = 180.tìm a;b
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a/b x 4 + 1/6 = 17/6
a/b x 4 = 17/6 + 1/6
a/b x 4 = 3
a/b = 3 : 4
a/b = 3/4
Vậy a:b bằng 3/4 hoặc nếu như số thập phan thì là 0,75
Tổng a + b là:
195 - 3 = 192
Tổng mới là:
192 - 3 = 189
Tổng số phần bằng nhau là:
6 + 1 = 7 phần
Số b là:
189 : 7 = 27
Số a là:
192 - 27 = 165
Đáp số : 27 và 165
Tổng a + b là:
195 - 3 = 192
Tổng mới là:
192 - 3 = 189
Tổng số phần bằng nhau là:
6 + 1 = 7 phần
Số b là:
189 : 7 = 27
Số a là:
192 - 27 = 165
Đáp số : 27 và 165
\(A=4^{15}.9^9-8.3^{18}.8^9=2^{2.15}.3^{2.9}-2^3.3^{18}.2^{3.9}=2^{30}.3^{18}-2^{30}.3^{18}=0\)
=> A:B=0
1 What is your hobby?
2 When did you start your hobby
3 Why do you enjoy your hobby
4 How many hours a day do you spend on your hobby
5 What does Jim usually do in his free time
6 How often does he play volleyball
7 Where does he often play volleyball
8 Who does he like to play volleyball with
I. Write questions for the underlined parts.
1. A: What is your hobby
B: My hobby is photography.
2. A:When did you started yor hobby
B: I started my hobby five years ago.
3. A:why do you enjoy your hobby
B: I enjoy my hobby because I think it’s creative.
4. A:How many hours a day fo you spend on your hobby
B: I spend two hours a day on my hobby.
5. A:What does Jim ussually do in his free time
B: Jim usually plays volleyball in his free time.
6. A:How often does he play volleyball
B: He plays volleyball three times a week.
7. A:Where does he often play volleyball
B: He often plays volleyball at the court near his school.
8. A:Who does he like to play with
B: He likes to play volleyball with his friends.