Question

若A=3x3x2x5,B=2x3x3x7,C=2x3x5x7,则:(A,B,C)=();[A,B,

若A=3x3x2x5,B=2x3x3x7,C=2x3x5x7,则:(A,B,C)=();[A,B,C]=（）这是小学五年级最小公倍数里的

Answer 1

(A,B,C)=(2×3=6);
[A,B,C]=2×3×3×5×7=630.

Answer 2

2,3 ``````````