TÌM BCNN42,70,180. A. 2 .3 .7 . 2 2 B. 2 .3 .5 . 2 2 C....

Câu 5. Tìm BCNN

42,70,180

. A. 2 .3 .7 .

2

2

B. 2 .3 .5 .

2

2

C. 2 .3 .5.7 .

2

2

D.2.3.5.7 .