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Tuổi cha hiện nay là:
(15:3)x9=45 (tuổi)
Tuổi con hiện nay là:
45:9=5 (tuổi)
Đáp số: Tuổi con:5 tuổi
Tuổi bố :45 tuổi
Tuổi con hiện nay là :
15 x 3 : 9 = 5 ( tuổi )
Tuổi bố hiện nay là :
15 x 9 : 3 = 45 ( tuổi )
vậy tuổi bố gấp 9 lần tuổi con : ( 45 : 5 = 9 )
sau 15 năm tuổi bố gấp 3 lần tuổi con : ( 45 + 15 ) : ( 15 + 5 ) = 60 : 20 = 3
Đáp số : tuổi của bố : 45 tuổi
tuổi của con : 5 tuổi
1. Hi guys. How are you today?
2. We are fine, thank you. And you?
3. I'm fine. Thank you
4. Hello. My name's Hoa. I'm 12 years old
5. Hi dad,mom. How are you?
6. Hi. This is Nga. She is my friend. She's in class 6
7. I'm Phong and this is Linh
Mong bn k cho mk, mk cũng chưa chắc đúng
1. Hello guys. How are you doing today?
2. We are fine, thank you. How about you?
3. I am still fine. Thank you
4. Hi sister, my name is hoa. I am 12 years old
5. I greet my parents. How are you parents?
6. I greet you. This is Nga. She is my friend. She is in 6th grade.
7. I am Phong and this is Linh.
Hi, I'm Thao. I'm 10 years old and I'm from grade 5C. Hung Binh Primary School is on Nguyen Xuan On street. My favorite is Music. I playing guitar and piano and poking out. I also listening to Korean and ang music. My family has 4 people, my father, my mother, my daughter and I. My father is 43 years old, working as a construction manager. My mother is 38 years old and currently I was still a 7-year-old student who also attended Hung Binh Primary School
Hi, I'm Thao. I'm 10 years old and I'm from grade 5C. Hung Binh Primary School is on Nguyen Xuan On street. My favorite is Music. I playing guitar and piano and poking out. I also listening to Korean and ang music. My family has 4 people, my father, my mother, my daughter and I. My father is 43 years old, working as a construction manager. My mother is 38 years old and currently I was still a 7-year-old student who also attended Hung Binh Primary School
Học tốt !
Hi guys! My name's Alex . I'm eleven years old . I wear uniform of my school . My house has three floor . My house has two garden inside and outside the house . My house has : kitchen,three bedroom,living room,four bathroom . My father is a doctor and my mother is a pharmacist . My father is 43 years old and my mother is 41 years old .
Hi there,My name is Alex. I'm eleven years old . I wear baggy clothes everytime I went out with my friends. My house is a four story house. My house has one playroom, a bathroom, two bedrooms, one living room, and a small kitchen. My dad is a pianist and my mom is a quite famous singer. My dad is 41 years old and my mom is 38 years old.
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Gọi tuổi của con là x, tuổi của bố là 5x. Theo đề bài, tổng số tuổi của hai bố con là 48 tuổi, ta có phương trình: x + 5x = 48. Tổng hai số này là 6x, vậy ta có phương trình 6x = 48. Giải phương trình này, ta có x = 8. Vậy tuổi của con là 8 tuổi và tuổi của bố là 5 * 8 = 40 tuổi.