Question

(-1)^3+2.(-1)^0+(-5)^2:(-5) resolva

Answer 1

${( - 1)}^{3} + 2 \times {( - 1)}^{0} + {( - 5)}^{2} \div ( - 5) \\ - 1 + 2 \times 1 + 25 \div - 5 \\ - 1 + 2 - 5 \\ 2 - 6 \\ - 4$