www.ylrr.net > 125+125X42+125X57=巧算

125+125X42+125X57=巧算

125+125×42+125×57 =125×(1+42+57) =125×100 =12500 希望我的回答对您有帮助,有问题可以追问。 满意请及时采纳,谢谢!

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