Giải phương trình 2b = 22.
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quy tắc chuyển vế lớp 7
- Giải phương trình a - 83 = 1.
- Giải phương trình j - 23 = 4.
- Giải phương trình (x - 1) / 2 = 5 bằng quy tắc chuyển vế.
- Giải phương trình 4g = 20.
- Giải phương trình q / 39 = 2. Giải phương trình r + 5 = 5.
- Giải phương trình d / 36 = 1. Giải phương trình e + 29 = 29.
- Giải phương trình x - 12 = 5 bằng quy tắc chuyển vế.
- Giải phương trình 10b = 70.
- Giải phương trình q / 31 = 2. Giải phương trình r + 23 = 23.
- Giải phương trình s - 49 = 0.
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