Giải phương trình a - 19 = 1.
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Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - 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 x - 13 = 17 bằng quy tắc chuyển vế.
- Giải phương trình n - 88 = 0.
- Giải phương trình 7y = 49.
- Giải phương trình x / 9 = 7 bằng quy tắc chuyển vế. Giải phương trình x + 9 = 27 bằng quy tắc chuyển vế.
- Giải phương trình n - 72 = 2.
- Giải phương trình 12 + 2x = 18 bằng quy tắc chuyển vế.
- Giải phương trình -x / 5 = 6. Giải phương trình -10 + y = 4.
- Giải phương trình u / 8 = 1. Giải phương trình v + 17 = 26.
- Giải phương trình x - 44 = 1.
- Giải phương trình 6t = 30.
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