type=math
random=yes
target=3⁻³
bonus=1000
@frac{1/3³}\correct
@frac{1/27}\correct
27\incorrect
–27\incorrect
–3³\incorrect
3² × 3⁻⁵\correct
3³ × @frac{1/3⁶}\correct
3⁶ × @frac{1/3³}\incorrect
@frac{1/9} × @frac{1/3}\correct
@frac{1/3} × @frac{1/3} × @frac{1/3}\correct
3³ – 3⁶\incorrect
3⁻² + 3⁻¹\incorrect
@frac{1/3} × 3⁻²\correct
@frac{1/3} + @frac{1/9}\incorrect
3 × @frac{1/3⁻²}\incorrect