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

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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
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( )

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
(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