1,9,11,15,17,19,21,27,33,35,37,41,45,49,57,65,72,81合数有,偶数有,3的倍数有
写出五个质数,写出五个合数1~30各数中:质数有()合数有()奇数有()偶数有()是3的倍数的数有()是5的倍数有()是2和5的倍数有()是3和5的倍数有()是2,3和5...
写出五个质数,写出五个合数
1~30各数中: 质数有()合数有()奇数有()偶数有()是3的倍数的数有()是5的倍数有()是2和5的倍数有()是3和5的倍数有()是2,3和5的倍数有() 展开
1~30各数中: 质数有()合数有()奇数有()偶数有()是3的倍数的数有()是5的倍数有()是2和5的倍数有()是3和5的倍数有()是2,3和5的倍数有() 展开
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回答 共1条 2013-03-12 20:09筱璇3|一级写出五个质数,写出五个合数:2,3,5,7,11;4,6,8,9,10.
1~30各数中: 质数有(2,3,5,7,11,13,15,17,19,23,29)合数有(4,6,8,9,10,12,14,15,18,20,21,22,24,26,28,30)奇数有(1,3,5,7,9,11,13,15,17,19,21,23,25,27,29)偶数有(2,4,6,8,10,12,14,16,18,20,22,24,26,28,30)是3的倍数的数有(3,6,9,12,15,18,21,24,27,30)是5的倍数有(5,10,15,20,25,30)是2和5的倍数有(10,20,30)是3和5的倍数有(15,30)是2,3和5的倍数有(30)追问1,9,11,15,17,19,21,27,33,35,37,41,45,49,57,65,72,81合数有,偶数有,3的倍数有
1~30各数中: 质数有(2,3,5,7,11,13,15,17,19,23,29)合数有(4,6,8,9,10,12,14,15,18,20,21,22,24,26,28,30)奇数有(1,3,5,7,9,11,13,15,17,19,21,23,25,27,29)偶数有(2,4,6,8,10,12,14,16,18,20,22,24,26,28,30)是3的倍数的数有(3,6,9,12,15,18,21,24,27,30)是5的倍数有(5,10,15,20,25,30)是2和5的倍数有(10,20,30)是3和5的倍数有(15,30)是2,3和5的倍数有(30)追问1,9,11,15,17,19,21,27,33,35,37,41,45,49,57,65,72,81合数有,偶数有,3的倍数有
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写出五个质数,写出五个合数:2,3,5,7,11;4,6,8,9,10.
1~30各数中: 质数有(2,3,5,7,11,13,15,17,19,23,29)合数有(4,6,8,9,10,12,14,15,18,20,21,22,24,26,28,30)奇数有(1,3,5,7,9,11,13,15,17,19,21,23,25,27,29)偶数有(2,4,6,8,10,12,14,16,18,20,22,24,26,28,30)是3的倍数的数有(3,6,9,12,15,18,21,24,27,30)是5的倍数有(5,10,15,20,25,30)是2和5的倍数有(10,20,30)是3和5的倍数有(15,30)是2,3和5的倍数有(30)
1~30各数中: 质数有(2,3,5,7,11,13,15,17,19,23,29)合数有(4,6,8,9,10,12,14,15,18,20,21,22,24,26,28,30)奇数有(1,3,5,7,9,11,13,15,17,19,21,23,25,27,29)偶数有(2,4,6,8,10,12,14,16,18,20,22,24,26,28,30)是3的倍数的数有(3,6,9,12,15,18,21,24,27,30)是5的倍数有(5,10,15,20,25,30)是2和5的倍数有(10,20,30)是3和5的倍数有(15,30)是2,3和5的倍数有(30)
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1,9,11,15,17,19,21,27,33,35,37,41,45,49,57,65,72,81合数有,偶数有,3的倍数有
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