Question

Cât face 1,8 la puterea a 2 +3×[4,6-2,5×(1-0,7)]

Answer 1

$( \frac{9 }{5} ) ^{2} + 3(4.6 - 2.5\times 0.3) = \\ \frac{81}{25} + 3 \ \times3.85 = \\ \frac{81}{25} + 11.5 = \\ \frac{81}{25} + \frac{231}{20} = \\ \frac{1479}{100}$