奇数有:1、3,5,7,9,11,13,15,17,19.
偶数有:0,2,4,6,8,10,12,14,16,18.
10的因数有:1,10,2,5.
100的倍数有:100,200,300,400,500,600.
2和4的公因数有:1,2.
10和5的公倍数有:10,20,30,40,50,60.
素数有:2,3,5,7,11,13,17,31.
分数有:5/3,100/59,30/60,102/100,7/3.
奇数有:1、3,5,7,9,11,13,15,17,19.
偶数有:0,2,4,6,8,10,12,14,16,18.
10的因数有:1,10,2,5.
100的倍数有:100,200,300,400,500,600.
2和4的公因数有:1,2.
10和5的公倍数有:10,20,30,40,50,60.
素数有:2,3,5,7,11,13,17,31.
分数有:5/3,100/59,30/60,102/100,7/3.