51 - x = 63 / 7
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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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bài tập tìm thành phần chưa biết lớp 3
- (x * 3) - 5 = 7
- 3 + x = 15 - 2
- 18 - 2x - x = 3
- 238 - x = 96 * 2
- x / 6 = 40 * 2
- x * 6 = 55 - 1
- x + 83 = 13 * 7
- 158 - x = 56 * 2
- x + 53 = 8 * 7
- x + 275 = 13 * 25
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