Question

[trương thảo vy]

a	b	UCLN(a,b)	BCNN(a,b)	a.b
10	56
60	80

Answer 1

[Diệu Vy]

a	b	UCLN(a,b)	BCNN(a,b)	a.b
27	56	UCLN(27;56)=1	BCNN(27;56)=1512	27.56=1512
60	80	UCLN(60;80)=20	BCNN(60;80)=240	60.80=4800