resolva as seguintes expressões numéricas
b)75+(56-8)+122=
c)149-54 +94 -1=
d)14+16-30+171=
e)247+(63-5)+183=
f)139-4-55+115=
b)75+(56-8)+122=
c)149-54 +94 -1=
d)14+16-30+171=
e)247+(63-5)+183=
f)139-4-55+115=
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Explicação passo-a-passo:
b) 75+(56−8)+122 = 245
c) 149-54 +94 -1 = 188
d) 14+16-30+171 = 171
e) 247+(63-5)+183 = 488
f) 139-4-55+115 = 195