de kiem tra 15 phut toan 10 ki 2 logarit 50032
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SỞ GIÁO DỤC VÀ ĐÀO TẠO
TRƯỜNG THPT HƯỚNG HOÁ
BÀI KIỂM TRA
MÔN : TOÁN 12 - NÂNG CAO.
Thời gian làm bài: 15 phút;
ĐIỂM
Mã đề thi
100
Họ, tên :..........................................................................Lớp:.........................
ĐỀ RA :
log 32 ( x 1) 3 log
1. Tìm x biết (6 điểm):
1
1 x 5 0
3
2. Tính (3 điểm) :
9
. 3. So sánh (1 điểm) : ( )
2
2
log3 2 log 1
9
5
8
9
và ( )
3
BÀI LÀM :
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