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tim 2 so tu nhien biet rang UCLN cua chung bang 10 va BCNN cua chung bang 900
Tim 2 so biet tong UCLN va BCNN cua chung bang 23.
Tim 2 so tu nhien a,b biet tong cua chung bang 60 va UCLN (a,b) =12.
Tim 2 so tu nhien a,b biet tong cua chung bang 96 va UCLN cua chung bang 16 va a>b
Giai nhanh ho minh nhe!
tim hai so tu nhien a va b{a>b} co tong bang 224,biet rang UCLN cua chung bang 28
tim 2 so tu nhien biet tong UCLN va BCNN = 23
1,tim 2 so tu nhien biet tong chung = 66 UCLN=6 co 1 so chia het cho 5
2,tim 2 so tu nhien biet hieu chung = 84 UCLN = 12
3,tim 2 so tu nhien biet tich = 864 UCLN=6
4,cho 3n+1 va 5n+4 la 2 so nguyen to cung nhau tim UCLN cua 3n+1 va 5n+4
5,cho a=123456789;b=987654321 . Tim UCLN cua a va b
Tim 2 so biet ucln va bcnn cua chung co tong bang 19?
Biet rang : BCNN(a,b).UCLN(a,b)
a, BCNN cua hai so la 600, UCLN cua chung nho hon 10 lan BCNN. So thu 1 la 120, tim so thu 2.
b, UCLN cua hai so la 12, BCNN cua chung lon gap 6 lan UCLN . So t 1 la 24, tim so t 2
c, Tong cua hai so bang 60, tong giua UCLN va BCNN cua chung la 84. Tim hai so do.