Bạn bấm máy tính là ra liền mà bạn :)
Phân tích 111222 ra thừa số nguyên tố :
\(FACT\left(111222\right)=2\cdot3^2\cdot37\cdot167\)
An phan tich cac so 120, 306, 567 ra thua so nguyen to nhu sau:
120 = 2 . 3 . 4 . 5;
306 = 2 . 3 . 51;
567 = \(^{9^2}\) . 7
An lam nhu tren co dung khong? Hay sua lai trong truong hop An lam khong dung.
So 1493 co phai la thua so nguyen to hay khong?
tap hop cac so nguyen to co 2 chu so lon hon 51co so phan tu la
Tim dieu kien cua so nguyen n sao cho phan so 1-2n/3n+2 la phan so toi gian
tim phan so duong nho nhat de khi nhan no voi moi 1 phan so sau deu dc ket qua la so nguyen : 3/4 : 6/5 : 9/10
tim phan so duong nho nhat de khi nhan no voi moi 1 phan so sau deu dc ket qua la so nguyen : 3/4 ; 6/5 ; 9/10
tim phan so duong nho nhat de khi nhan no voi moi 1 phan so sau deu dc ket qua la so nguyen : 3/4 : 6/5 : 9/10
1,So nguyen a phai co dieu kien gi de ta co phan so
A, 15 / a -1
B, 2a / 5a +30
2, so nguyen a phai co dieu kien gi de ta co dong thoi cac phan so
C, 13 / a + 1
D, a+3 / a -2
E, 2a - 5/ 3a - 9
a, tim tat ca cac so nguyen to p sao cho p+11 cung la so nguyen to
b,tim tat ca cac so nguyen to p de p+8,p+10 cung la cac so nguyen to
