Question

resolva estas contas de expressão numérica

Answer 1

b) 25-(6-5+3)-(12-5+8)=
25-4-15
21-15
=6

e) (10-2) - 3+(8+7-5)=
8-3+10
=15

d) (9-4+2)-1+(9+5-3)
7-1+11
=17