45/37*25-25/37*10 怎吗用简便方法做
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![45/37*25-25/37*10 怎吗用简便方法做](/uploads/image/z/198741-21-1.jpg?t=45%2F37%2A25-25%2F37%2A10+%E6%80%8E%E5%90%97%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E5%81%9A)
45/37*25-25/37*10 怎吗用简便方法做
45/37*25-25/37*10 怎吗用简便方法做
45/37*25-25/37*10 怎吗用简便方法做
45/37*25-25/37*10
=25/37*45-25/37*10
=25/37*(45-10)
=25/37*35
=25/37*(37-2)
=25/37*37-25/37*2
=25-50/37
=23+2-50/37
=23又24/37