61 - x = 100 / 10
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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
- 194 - x = 74 * 2
- x + 73 = 10 * 9
- x / 8 = 65 * 4
- x/2 - x/4 = 1
- x + 165 = 13 * 16
- 130 - x = 42 * 2
- 114 - x = 34 * 2
- x * 8 = 75 - 3
- 15 - (x + 4) = 6
- 252 - x = 103 * 2
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