
TÀI LIỆU HỌC TẬP LỚP 10 – Năm học 2020-2021
Facebook Nguyễn Vương https://www.facebook.com/phong.baovuongTrang 3
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Câu 4. Giảicácphươngtrìnhsau
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Câu 5. Tìmmđểphươngtrình
2 2
x x mx m x m
cóbanghiệmphânbiệt
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