Giải phương trình 7x = 49 bằng quy tắc chuyển vế.
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- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
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quy tắc chuyển vế lớp 7
- Giải phương trình 3b = 57.
- Giải phương trình f - 9 = 15.
- Giải phương trình 8q = -56.
- Giải phương trình 10t = 70.
- Giải phương trình 10k = 70.
- Giải phương trình -c - 5 = -11.
- Giải phương trình b - 6 = 10.
- Giải phương trình 3g = 15.
- Giải phương trình 9p = 54.
- Giải phương trình 6n = -42.
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