Question

BCNN (126;198) = ?

Answer 1

126=2.3^2.7

198=2.3^2.11

suy ra BCNN (126,198)=3^2.11.7.2=1386

**** mình nhé Hoàng Mai tốt bụng

Answer 2

126 = 2.3².7

198 = 2.3².11

Thua so nguyen to chung va rieng la: 2; 3; 7; 11

BCNN (126, 198) = 2.3².7.11=2079