4和9的最小公倍数是______;8和12的最大公约数是______.
(1)4和9是互质数,因此它们的最小公倍数是4×9=36;
所以4和9的最小公倍数是36;
(2)8的约数有:1,2,4,8,
12的约数有:1,2,3,4,6,12,
8和2的公约数有:1,2,4.
所以8和12的最大公约数是4.
故答案为:36,4.
4和9的最小公倍数是______;8和12的最大公约数是______.
(1)4和9是互质数,因此它们的最小公倍数是4×9=36;
所以4和9的最小公倍数是36;
(2)8的约数有:1,2,4,8,
12的约数有:1,2,3,4,6,12,
8和2的公约数有:1,2,4.
所以8和12的最大公约数是4.
故答案为:36,4.
A.(A) We cannot compete with our rivals, since we have just started our business here.
B.(B) We want to have more customers, so we’re ready to make more favourable offers.
C.(C) We are unable to provide the best service here, because we do not have enough competitive advantage.
D.(D) We plan to merge our competitors in this area, as we are growing and have more customers.