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January 05, 2016汉声数学(2)-奇数和偶数1)利用“配对”理解奇数和偶数;2)娃娃自己实践:“奇数+奇数=偶数,偶数+偶数=偶数,奇数+偶数=奇数”;3)全家拓展实践:“奇数*奇数=奇数,奇数*偶数=偶数,偶数*偶数=偶数”。4)odd number,even number...more10minPlay