Question

和差倍问题公式

和差倍问题公式，急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急急！！！！！！！！！！！

Answer 1

和倍问题就是已知两数的和与两数的倍数的关系，求这两个数各是多少的应用题。
小数＝和÷（倍数＋1）（一般用小数作标准量）
大数＝和－小数 或 大数＝小数×倍数
等量关系：小数＋小数×倍数＝和

差倍问题就是已知两个数的差与两个数的倍数关系，求这两个数是多少的应用题。
小数＝差÷（倍数－1）
大数＝小数＋差 或 大数＝小数×倍数
等量关系：小数×倍数－小数＝差

Answer 2

和倍问题是已知两数的和与两数的倍数关系。
小数=和÷(倍数+1）
大数=和—小数

Answer 3

Answer 4

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