[질문] 쌈 중학수학1－2 42쪽부터65쪽까지

3+1)소수：23,29합성수：20,21,22,24,25,26,27,28,30//유제4)4//4+1)5//필수예제5)(1)2x2x2(2)5x5x5x5(3)2x2x3x3(4)3x3x3x3x7x7//유제5)5//5+1)3//필수예6)1-3x