Question

Me ajudem por favorrrrrrrrrrrrrrrrrttt

Answer 1

Resposta: 108

Se a=3, temos:

${a}^{7} = {3}^{7} = 2187$

${a}^{5} = {3}^{5} = 243$

${a}^{4} = {3}^{4} = 81$

• [(15 × 2187) + (45 × 243)] ÷ (5 × 81)

• ( 32805 + 10935) ÷ 405

• 43740 ÷ 405 = 108