Question

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9: Calcule o resultado de cada expressão numérica :

a) +3{+9-5-(+4-2)*(-3)}=
b) 22-{10-6+[9-(4-1)+7]}=
c) -16-(-30+4-15+3+27)=
d) 20-{+8-[-3+(-7-6)+2]}=

Answer 1

Pode usar o aplicativo “Gauthmath” para resolver.