Question

Calculo da expressão numérica 3×(-6+5)-2×{-34+2×[7-(-5-2)÷7]}

Answer 1

3×(-6+5)-2×{-34+2×[7-(-5-2)÷7]}=
3x(-1)-2x{-34+2x[7+7÷7]}=
-3-2×[-34+2×8]=
-3-2×[-34+16]=
-3-2×-18=
-3+32=
29