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777x9x111x37 用简便方法(要过程)

777x9+111x37 =111x7x9+111x37 =111x63+111x37 =111x(63+37) =111x100 =11100

777x9+111x37 =111x63+111x37 =111x(63+37) =111x100 =11100

777x9+111x37 =111x(7x9+37) =111x100 =11100 亲,请【采纳答案】,您的采纳是我答题的动力,谢谢。

37x111+777x9 =37×111+111×9×7 =111×﹙37+63﹚ =111×100 =11100

7*111*9+37*111 =(63+37)*111 =100*111 =11100

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