5x+11 là bội của x22 =>5x+11 chia hết cho x-2
có:5x+11=(x-2)5+13
mà x-2 chia hết cho x-2 => (x-2)5 chia hết cho x-2
để (x-2)5+13 chia hết cho x-2 =>13 chia hết cho x-2 <=> x-2 thuộc BCNN(13)={1;13}
x=3;x=15
cho 3 so nguyen duong ty le lan luot voi cac so 2;3 va 5 biet hieu cua so lon nhat va so be nhat trong ba so do la 24 so lon nhat trong ba so do la : ............
cho bieu thuc A = 2006 -x / 6-x tim gia tri nguyen cua x de A dat gia tri lon nhat. Tim gia tri lon nhat do
Cho truoc diem a va duong thang d di qua diem a ve 2018 duong thang phan biet . goi x la so duong thang vuong goc voi d, y la so duong thang khong vuong goc void trong 2018 duong thang da cho..
Tim gia tri nguyen lon nhat cua x, y
Tim gia tri nguyen nho nhat cua x,y
Phan nguyen cua so huu ti x, ki hieu [x] la so nguyen lon nhat ko vuot qua x.
Hay tim phan nguyen cua: \(\left[\frac{5}{2}\right];\left[\frac{-3}{2}\right];\left[0,2\right]\)
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong
Cho minh hoi bai nay. Chi can tra loi 1 cau cung duoc! Tick cho ai tra loi som nhat, day du nhat.
1. Cho so huu ti y=2a-1/-3. Voi gia tri nao cua a thi y la so duong, y la so am, khong phai so duong cung phai so am?
2. Cho so huu ti x=a-5/a (a khac 0). Voi gia tri nao cua a thi x la so nguyen?
3. Cho so huu ti x=a-3/2a (a khac 0). Voi gia tri nao cua a thi x la so nguyen?
cho x,y,z la cac so huu ti duong thoa man x+1/yz y +1/xz z+1/xy la cac so nguyen tim gia tri lon nhat cua bieu thuc A=x+y^2+z^3
So nguyen b lon nhat de:
x=26/7+b am
