题目内容
看谁找得快.
(1)27的因数有:______.
(2)45的因数有:______.
(3)______既是27的因数,又是45的因数.

(1)27的因数有:______.
(2)45的因数有:______.
(3)______既是27的因数,又是45的因数.
(1)27的因数有:1,3,9,27.
(2)45的因数有:1,3,5,9,15,45.
(3)1,3,9既是27的因数,又是45的因数.
故答案为:1,3,9,27; 1,3,5,9,15,45. 1,3,9.
(2)45的因数有:1,3,5,9,15,45.
(3)1,3,9既是27的因数,又是45的因数.
故答案为:1,3,9,27; 1,3,5,9,15,45. 1,3,9.
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