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小明在期末考试中数文、数学、英语的均分为75分，它的三门学科成绩的比为8：8：9，它的三门成绩分别是多少？
小明在期末考试中数文、数学、英语的均分为75分，它的三门学科成绩的比为8：8：9，它的三门成绩分别是多少？
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2020-05-18 10:08
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刘万俊
75×3÷（8+8+9），
=225÷25，
=9（分）；
语文：9×8=72（分）；
数学：9×8=72（分）；
英语：9×9=81（分）；
答：语文72分，数学72分，英语81分．
2020-05-18 10:11:11
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