Đáp án:
Số hs giỏi là 1/4 = 2/8
Vậy số hs không được khen là:
8/8 - (2/8 + 3/8) =3/8
Vậy hs không được khen chiếm 3/8 so với cả lớp.
Đáp án:3/8
Giải thích các bước giải:
số học sinh giỏi là : 1/4 = 2/8
vậy số học sinh kh được xem là : 8/8 - ( 2/8 + 3/8 ) = 3/8
vậy số học sinh kh được khen chiếm 3/8 so với cả lớp
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2.x + 3.y + xy = 1 các bạn giúp mình với nha
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