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15 questions
Simplify: χ3 ÷ χ2
χ
χ5
χ6
χ-1
1/χ
Solve: 36 × 58
152
814
1514
Solve: 187 ÷ 98
22
2-1
162-1
1622
y4(6)
y10
y24
y-10
y48
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