Nếu \(\sqrt{x}=2\)thì \(x^2=16\)
Vậy đáp án là D) 16
Nếu \(\sqrt{x}=2\)thì \(x^2=16\)
Vậy đáp án là D) 16
Chon cau tra loi dung Neu a+b/b+c=c+d/d+a thi
a)a phai bang c
b)a=c hay a+b+c+d=0
c)a+b+c+d phai bang 0
d)a+b+c+d khac 0 neu a=c
neu a thuoc z thi x=y vay ai tra loi dc cau hoi nay
CMR neu x/a+2b+c=y/2a+b-c=z/4a-4b+c
thi a/x+2y+z=b/2x+y-z=c/4x-4y+z
ai tra loi nhanh va dung minh se tick cho (chi tiet)
cho cac so a, b, c ko am thoa man: a+3c=2016,a+2b=2017. tim gia tri lon nhat cua bieu thuc:P=a+b+c
ai tra loi xong ma dung thi to tick cho. con neu ko tra loi duoc ma kb voi to hoac tick cho dap an dung cua to thi to cung tick
trong hai cau sau day cau nao dung cau nao sai bac bo y kien sai bang 1 hinh ve
a. hai duong thang vuong goc thi cat nhau
b. hai duong thang cat nhau thi vuong goc
Tra loi nhanh ho minh nhe
Đợt 1:
\(\sqrt{2}\)=?
làm tron chu so thap phan thu 7
Mik se chon 1 ban bat ki ca cau tra loi dung de tik sau 15 phut
dot 2 se bat dau sau khi co ket quả dot 1
neu 1/2 cua a bang 2b thi (9/8)a=kb.tim k
tren mat phang toa do oxy cho 2 diem p (2;7) va q (7;2) khi do
cau tra loi 1 p khong trung q
cau tra loi 2 pva q cung nam tren truc qx
cau tra loi 3 p va q nam trong truc ox
cau tra loi 4 p trung q
minh dang thi moi nguoi giup minh tra loi cau nay nhe
ai biet lam 1 trong 3 cau nay hoac tat ca thi tra loi nha
(2x-2)^2=16
3^x+1-3^=162
(1-x)^3=96