333777-222666分之999*333,简算,

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徊訫轉癔共回答了16个问题 | 采纳率87.5%: =999×333/(333×777-333×444)
=999/(777-444)
=999/333
=3; 1年前

retretret 共回答了1146个问题 | 采纳率: =[(111×9)×(111×3)]/[(111×3)×(111×7)-(111×2)×(111×6)]
=[(111×111)×(9×3)] / [(111×111)×(3×7)-(111×111)×(2×6)]
=[(111×111)×27] / [(111×111)×21-(111×111)×12]
=[(111×111)×27] / [(111×111)×(21-12)]
=[(111×111)×27] / [(111×111)×9]
=27/9
=3; 1年前

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