奥数递等式计算(100+47.23+47.34)×(47.23+47.34+47.56)-(100+47.23+47.3
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奥数递等式计算
(100+47.23+47.34)×(47.23+47.34+47.56)-(100+47.23+47.34+47.56)×(47.23+47.34)
太长!我太对不起大家了!请见谅!
(100+47.23+47.34)×(47.23+47.34+47.56)-(100+47.23+47.34+47.56)×(47.23+47.34)
太长!我太对不起大家了!请见谅!
![奥数递等式计算(100+47.23+47.34)×(47.23+47.34+47.56)-(100+47.23+47.3](/uploads/image/z/11366036-44-6.jpg?t=%E5%A5%A5%E6%95%B0%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97%EF%BC%88100%2B47.23%2B47.34%EF%BC%89%C3%97%EF%BC%8847.23%2B47.34%2B47.56%EF%BC%89-%EF%BC%88100%2B47.23%2B47.3)
(100+47.23+47.34)×(47.23+47.34+47.56)-(100+47.23+47.34+47.56)×(47.23+47.34)
=(100+47.23+47.34)×(47.23+47.34)+(100+47.23+47.34)×(47.56)-(100+47.23+47.34)×(47.23+47.34)-(47.56)×(47.23+47.34)
=(100+47.23+47.34)×(47.56)-(47.56)×(47.23+47.34)
=(100+47.23+47.34-(47.23+47.34))×(47.56)
=100×(47.56)
=4756
=(100+47.23+47.34)×(47.23+47.34)+(100+47.23+47.34)×(47.56)-(100+47.23+47.34)×(47.23+47.34)-(47.56)×(47.23+47.34)
=(100+47.23+47.34)×(47.56)-(47.56)×(47.23+47.34)
=(100+47.23+47.34-(47.23+47.34))×(47.56)
=100×(47.56)
=4756