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9999×9998-9998×9997-9997×9996+9996×9995简便脱式计算
人气:382 ℃ 时间:2020-02-05 23:24:39
解答
=9998(9999-9997)+9996(9995-9997)
=9998*2-9996*2
=(9998-9996)*2
=2*2
=4
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9999×9998-9998×9997-9997×9996+9996×9995简便计算
9999×9998-9998×9997-9997×9996+9996×9995简便计算,
数学题在线解答9999*9998-9998*9997-9997*9996+9996*9995
9999+9998+9997+9996.
9999+9998+9997+9996.
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