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ืืฉืืืืืช ืคืฉืืืืช
Quizย by ืืืจื ืืืืืก
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x + 3 = 7
x + 10 = 30
x - 7 = 13
x - 2 = 2
5 - x = 3
20 - n = 5
15 - a + 5 = 10
10 + b - 3 = 10
4 + m + 8 = 20 + 4
9 + y - 6 = 15 + 5
6 = x - 3
7 = x + 2
11 = q - 11
16 = x2ย ย
25 = a2
49 = y2
8 = n3
27 = m3
4 = 4 - x
394 = 394 + n