数学高手进 5年级数学题 禁止不解题(分多)
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数学高手进 5年级数学题 禁止不解题(分多)
分一分:
1,2,3,11,12,13,21,22,23,31,32,33,41,42,43,51,52,53.
合数:( )
质数:( )
偶数:( )
奇数:( )
按要求填一填:
2,47,49,56,99,121,133,201,93,100,156,73,89,79,102,4.
既是奇数又是质数( )
既是偶数又是质数( )
既是奇数又是合数( )
既是偶数又是合数( )
分一分:
1,2,3,11,12,13,21,22,23,31,32,33,41,42,43,51,52,53.
合数:( )
质数:( )
偶数:( )
奇数:( )
按要求填一填:
2,47,49,56,99,121,133,201,93,100,156,73,89,79,102,4.
既是奇数又是质数( )
既是偶数又是质数( )
既是奇数又是合数( )
既是偶数又是合数( )
![数学高手进 5年级数学题 禁止不解题(分多)](/uploads/image/z/16429575-39-5.jpg?t=%E6%95%B0%E5%AD%A6%E9%AB%98%E6%89%8B%E8%BF%9B+5%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%E9%A2%98+%E7%A6%81%E6%AD%A2%E4%B8%8D%E8%A7%A3%E9%A2%98%EF%BC%88%E5%88%86%E5%A4%9A%EF%BC%89)
(1):1不是合数不是质数
合数:12,21,22,32,33,42,52
质数:2,3,11,13,23,31,41,43,51,53
偶数:2,12,22,32,42,52
奇数:1,3,11,13,21,23,31,33,41,43,51,53
(2):
47,133,73,89,79
2
49,99,121,201,93,
56,100,156,102,4
合数:12,21,22,32,33,42,52
质数:2,3,11,13,23,31,41,43,51,53
偶数:2,12,22,32,42,52
奇数:1,3,11,13,21,23,31,33,41,43,51,53
(2):
47,133,73,89,79
2
49,99,121,201,93,
56,100,156,102,4