Tại sao cần học quy tắc chuyển vế?
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$34.99
$29.99
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 6p = 18.
- Giải phương trình 9x = 63 bằng quy tắc chuyển vế.
- Giải phương trình x - 52 = 0.
- Giải phương trình z / 19 = 1. Giải phương trình 19 + a = 20.
- Giải phương trình 3x = 99.
- Giải phương trình s - 25 = 0.
- Giải phương trình 9t = 72.
- Giải phương trình s - 81 = 2.
- Giải phương trình h / 21 = 2. Giải phương trình i + 30 = 30.
- Giải phương trình -w / 4 = 8. Giải phương trình -7 + a = -3.
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You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.
You have 28 days to return your order from the date it’s delivered. Exclusions apply.
View our full Returns and Exchanges information.
Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.
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