Question

expressões numéricas
Conta:
3×5+2×7-8×{6÷2-1×[9-3×4+1-(6×10÷2)]}

Answer 1

3×5+2×7-8×{6÷2-1×[9-3×4+1-(6×10÷2)]}15 + 14 -8×{3-1×[9 -12+1-(6×5)]}
15 + 14 -8×{3-1×[9 -12+1-(6×5)]}
29 -8×{3-1×[9 -12+1-30]}
29 -8×{3-1×[ -3 - 29]}
29 -8×{3-1× -32}
29 -8×{3 + 32]}
29 -8×35}
29 -280
-251