gia tri nho nhat cua bieu thuc A = tri tuyet doi 2x - 13 - 7/4
Cho bieu thuc A = \(^{x2+4x+3}\)
a Tinh gia tri bieu thuc tai x= \(\frac{-1}{2}\)
b Tinh gia tri x de bieu thuc A bang 0
cho bieu thuc:
A=(6-2/3+1/2)-(5+5/3-3/2)-(3-7/3+5/2)
hay tinh gia tri cua A theo hai cach
cach 1:truoc het tinh gia tri tung bieu thuc trong ngoac
cach 2:bo dau ngoac roi nhom cac so hang thich hop
Tinh nhanh gia tri cua bieu thuc sau:
P=\(\frac{0,75-0,6+\frac{3}{7}+\frac{3}{13}}{2,75-2,2+\frac{11}{7}+\frac{11}{13}}\)
Tìm giá tri cua x de bieu thuc nhận gia tri dương (2x-3):(x+7/4) với x =-7/4
tim cac gia tri nguyen cua x de gia tri bieu thuc y=2x^2+1/2x-1 la so nguyen
tinh gia tri bieu thuc B=a/2-2/b voi |a|=1,5; b=-0,75
https://hoc24.vn/cau-hoi/cho-bieu-thuc-pdfracxyztdfracyztxdfracztxydfractxyz-tinh-gia-tri-bieu-thuc-p-biet-dfracxyztdfracyztxdfracztxydfractxyz.3023701210563 vô giúp mình với
tinh gia tri bieu thuc A=2^2015-(2^2014+2^2013+...+2+1)