Giải phương trình 2x - (-3) = 7.
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quy tắc chuyển vế lớp 7
- Giải phương trình 5b = 35.
- Cho ví dụ về quy tắc chuyển vế với phép trừ.
- Giải phương trình x - 13 = 17 bằng quy tắc chuyển vế.
- Giải phương trình e - (-14) = -2.
- Nếu 3z = 12 thì z bằng bao nhiêu?
- Giải phương trình x - 44 = 1.
- Giải phương trình h / 12 = 3. Giải phương trình i + 22 = 28.
- Giải phương trình j - 79 = 0.
- Giải phương trình h / 45 = 2. Giải phương trình i + 3 = 3.
- Giải phương trình l / 46 = 1. Giải phương trình 27 + m = 27.
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