Các câu hỏi tương tự
TIM GTLN HOAC GTNN CUA CAC BIEU THUC SAU
B=5-2Z^2
C=/X-3/+/5-X/
tim gia tri lon nhat hoac nho nhat cua cac bieu thuc sau
c)C= \(3+|x-2|\)
d)D=\(5-|2x-1|\)
Tim gia tri nguyen cua n de cac bieu thuc sau co gia tri nguyen : 2n - 1 / 4 - 3nTim GTLN hoac GTNN cua cac bieu thuc : A = ( x - 1/2 )^2 + 3/4
Xem chi tiết
B = | 3x - 1 | - 5
C = 2/(x + 3 )^2+3
Tim gia tri lon nhat hoac nho nhat cua cac bieu thuc sau
a, C=(x-1)2+\(|2y+2|\)-3
1 tim GTNN cua cai bieu thuc
a) 5x2 -1 b) 3(x+1)2-2 c) |x+5|-3
2 tìm GTLN của các biểu thức
a) 7-3x2 b) 8-(x+2)2 c) 10-|x+2|
lam ro ra giup minh nha
1. Tim xin Zde Ain ZA frac{x+5}{x+3}2. Tim GTLN hoac GTNN cua bieu thuc:A -7+/2-x/B 5- /2x+3/3. Tim xin Za) 7⋮x+3b) x+4⋮x+1c) 4x+3⋮x+2d) left(x+1right)+left(x+2right)+...+left(x+9right)+left(x+10right)5e) left(x-10right)+left(x-9right)+...+left(x-1right)-2015i) (-4)3 + /x/2010k) /x+5/ le2l) /x+3/ x-14. Chung minh rang:A1-3+3^2-3^2+...+3^{98}-3^{99}⋮4 (giai ho mk nhe! thu 2 phai nop roi! ban nao giai duoc nho giai nhanh gium mk nhe, mk mang on suot doi luon!)
Đọc tiếp
1. Tim \(x\in Z\)de \(A\in Z\)
A= \(\frac{x+5}{x+3}\)
2. Tim GTLN hoac GTNN cua bieu thuc:
A= -7+/2-x/
B= 5- /2x+3/
3. Tim \(x\in Z\)
a) \(7⋮x+3\)
b) \(x+4⋮x+1\)
c) \(4x+3⋮x+2\)
d) \(\left(x+1\right)+\left(x+2\right)+...+\left(x+9\right)+\left(x+10\right)=5\)
e) \(\left(x-10\right)+\left(x-9\right)+...+\left(x-1\right)=-2015\)
i) (-4)3 + /x/=2010
k) /x+5/ \(\le2\)
l) /x+3/ = x-1
4. Chung minh rang:
\(A=1-3+3^2-3^2+...+3^{98}-3^{99}⋮4\)
(giai ho mk nhe! thu 2 phai nop roi! ban nao giai duoc nho giai nhanh gium mk nhe, mk mang on suot doi luon!)
tim cac dang cua x sao cho
bieu thuc A = 2x-1 co gia tri duong x
bieu thuc B = 8-2x co gia tri am
bieu thuc C=2(x+3) khong am
bieu thuc D=7(2-x)khong duong
tim gia tri nho nhat hoac lon nhat cua cac bieu thuc sau
a)A=\(|x-4|-5\)
b)B=\(-|x+3|+7\)
Tim GTNN cua cac bieu thuc:
a,A=|x-1|+|x-2|+|x-3|+|x-4|+...+|x-10|
b,P=|3x-6|+|y2+1|+2015
Cach lam nua nhe
Lam nhanh minh se tick