cho bieu thuc A = 2012 / 9 - x . Voi gia tri nguyen cua x thi A co gia tri lon nhat ? Tim tri lon nhat do .
tim gia tri nho nhat cua bieu thuc P = 14-x/4-x ; ( x thuoc z) khi do xnhan gia tri nguyen nao
Tim gia tri nho nhat cua bieu thuc sau :
\(B=\left|x+3\right|+\left|2-x\right|\)
M.N giup em vs
voi gia tri nao cau x thi bieu thuc P= -x^2-8x+5 co gia tri lon nhat
tim gia tri nguyen cua x de bieu thuc 5-x/x-2 co gia tri nho nhat
tinh nhanh gia tri cua bieu thuc voi x,y nhan bat ki gia tri nao:
\(\frac{1}{3}x^2y\left(3xy\right)^2y^4+\frac{1}{2}x\left(-2xy\right)^3y^4+x^4y^7+18\)
Cho biểu thức A = x^2+3/x-2
a tim dieu kien cua x de gia tri cua bieu thuc khong xac dinh duoc
b. Voi nhung gia tri nao cua x thi bieu thuc A nhan gia tri la so a
Tim gia tri nguyen cua x đê bieu thuc M=\(\frac{2019x-2020}{3x+2}\)co gia tri nho nhat
Tim gia tri nguyen cua x de bieu thuc 42-x/x-15 co gia tri nho nhat