Các câu hỏi tương tự
2^3n+3.3^n+1 co hai chu so tan cung la bao nhieu?
Cau 1: Co tat ca bao nhieu so co 3 chu so ma trong moi so co duy nhat 1 chu so 5.
Cau 2: Biet rang 3n+1 va 5n+4 (n thuoc N) la hai so khong nguyen to cung nhau. Khi do UCLN cua 3n+1 va 5n+4 la bao nhieu.
Cau 3: Tim cap (x;y) nguyen am thoa man:xy+3x+2y+6=0 va lxl+lyl=5.
2^4n.3^8n co hai chu so tan cung la bao nhieu?
tap hop cac so co hai chu so ma tan cung la so 3 co bao nhieu phan tu
7^1991 co tan cung la bao nhieu
gia tri cua (2160_1) .(152 + 73) co tan cung la bao nhieu
co bao nhieu so tu nhien co 4 chu so co tan cung la ma chia het cho 3
14^101.166^101 co tan cung la bao nhieu
Tich 2.12.22.32......2002.2012 . Co chu so tan cung la bao nhieu