Solve: + ⁺3 X - ⁺15.
What is the result: ( 4 * 1 ) * 2 = ?
What is the result: +(-8) ÷ 2 = ?
Solve: - ⁺0 + ⁺3 - ⁺11 + ⁺12
Solve: + ⁺3 x ⁻11.
