1. Don't eat a lot of sweets or you'll have a toothache.
=> If
2. The boy hasn't visited his parents for two months.
=> The boy last
3. Jimin asked Suga: " Do you happen to see my report anywhere?"
=> Jimin asked Suga
4. We were deeply impressed by his performance.
=> His performance made
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17 tháng 12 2016
sau khi chuyển thì đơn vị 1 có số người là:
(70+6):2=38(người)
sau khi chuyển thì đơn vị 2 có số người là:
70-38=32(người)
vì 2 đơn vị có số người bằng nhau nên lúc đầu mỗi đơn vị có 35 số người .
vậy mỗi đơn vị có 35 người.
24 tháng 7 2015
a) 5 ; x+y ;2xy đồng dạng với 4xy ;a (x) = 25x + 2x2
b) -2xy
8 tháng 4 2021
a) Ta có: \(2x^2y\cdot\left(-2.5x^3y^2z\right)\)
\(=\left(-2.5\cdot2\right)\cdot\left(x^2\cdot x^3\right)\cdot\left(y\cdot y^3\right)\cdot z\)
\(=-5x^5y^4z\)
8 tháng 4 2021
a) Ta có: \(12x^5y^2\cdot\left(-12.5zx^2y^5z\right)\)
\(=\left(-12.5\cdot12\right)\cdot\left(x^5\cdot x^2\right)\cdot\left(y^2\cdot y^5\right)\cdot z^2\)
\(=-150x^7y^7z^2\)
8 tháng 3 2022
a, P=-3(x^3.x)(y^2.y^3)
=-3x^4y^5
b, Thay x=-1 , y=2 vào đơn thức P . Ta có :
P=-3.(-1)^4.2^5
P=3.1.32
P=96
1. Don't eat a lot of sweets or you'll have a toothache.
=> If you eat a lot of sweets, you'll have a toothache.
2. The boy hasn't visited his parents for two months.
=> The boy last visited his parents two months ago
3. Jimin asked Suga: " Do you happen to see my report anywhere?"
=> Jimin asked Suga if she happened to see his report somewhere
4. We were deeply impressed by his performance.
=> His performance made us deeply impress
1. Don't eat a lot of sweets or you'll have a toothache.
=> If you eat a lot of sweets, you'll have a toothache
2. The boy hasn't visited his parents for two months.
=> The boy last visited his parents two months ago
3. Jimin asked Suga: " Do you happen to see my report anywhere?"
=> Jimin asked Suga if she happened to see his report anywhere
4. We were deeply impressed by his performance.
=> His performance made us deeply impressed