Răspuns:
405
Explicație pas cu pas:
3³+3¹⁰:3⁸×3+3×3⁷:3⁵+2×3¹⁰:(5×3⁵+3⁵)+9×3³
3³+3¹⁰:3⁸×3+3×3⁷:3⁵+2×3¹⁰:(5×243+243)+9×3³
3³+3¹⁰:3⁸×3+3×3⁷:3⁵+2×3¹⁰:(1.215+243)+9×3³
3³+3¹⁰:3⁸×3+3×3⁷:3⁵+2×3¹⁰:1.458+9×3³
27+59.049:6.561×3+3×2.187:243+2×59.049:1.458+9×27
27+9×3+3×2.187:243+2×59.049:1.458+9×27
27+27+3×2.187:243+2×59.049:1.458+9×27
27+27+6.561:243+2×59.049:1.458+9×27
27+27+27+2×59.049:1.458+9×27
27+27+27+118.098:1.458+9×27
27+27+27+81+9×27
27+27+27+81+243
54+27+81+243
81+81+243
162+243
=405