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| ♎Chương II. Phương trình và bất phương trình bậc nhất một ẩn

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Chương II. Phương trình và bất phương trình bậc nhất một ẩn

Bài 4. Phương trình quy về phương trình bậc nhất một ẩn

Bài 5. Bất đẳng thức và tính chất

Bài 6. Bất phương trình bậc nhất một ẩn

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Giải vth Toán 9, soạn vở thực hành Toán 9 KNTT

Bài 4. Phương trình quy về phương trình bậc nhất một ẩn

Bài 5. Bất đẳng thức và tính chất

Luyện tập chung trang 38

Bài 6. Bất phương trình bậc nhất một ẩn

Bài tập cuối chương II