Question

Nêu cách tìm BC cua 2 hay nhiều số thông qua BCNN

gấp lắm nhanh đúng

tick luôm

 

Answer 1

BCNN(a,b,c,..)= x

\(\Rightarrow\)BC(a,b,c,...)=B(x)=.......

Answer 2

B1: phan h cac so ra thua so nguyen to.

B2: chon cac thua so chung va rieng.

B3 : ;ap h cac thua so da chon, moi thu so lay voi so mu lon nhat. h do ching la BCNN can tim.

Answer 3

dau tien ta phan h cac so ra thua so nguyen to.

chon cac thua so chung va rieng co so mu lon nhat.

nhan voi nhau ta duoc BCNN.

BC CUA CAC SO DO CHINH LA B CUA BCNN.