Question

Легко просто за спам бан

Answer 1

$0.4 {a}^{3} {b}^{5} \times 1.5 {a}^{3} b = 0.6 {a}^{3 + 3} {b}^{5 + 1} = 0.6 {a}^{6} b {}^{6}$

$- 14 {a}^{7} {b}^{3} {c}^{11} \times 2 \frac{3}{7} {bc}^{4} = - \frac{14 \times 17}{7} {a}^{7} {b}^{3 + 1} {c}^{11 + 4} = \\ = - 34 {a}^{7} {b}^{4} {c}^{15}$