Question

[Na Bong Pé Con]

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.