Question

[Nguyền Hoàng Minh]

BCNN(60,280)

BCNN(50,100,1)

Answer 1

[phan thi ngoc mai]

BCNN(60,280)

Ta có:60=2^2.3.5

280=2^3.5.7

⇒BCNN(60,280)=2^3.3.5.7=840

Answer 2

[ng.nkat ank]

840

100