Question

(A ) 15- (3-2) + (7-4) =

(B) 25-(8-5+3) + (12 - 5 - 8)=

(C) 10-2-3+ ( 8+7 -5)=

Answer 1

Resposta:

Explicação passo a passo:

a

15-(3-2)+(7-4)=

15-1+3=

14+3=

17

b

25-(8-5+3)+(12-5-8)=

25-6+(-1)=

25-6-1=

18

c

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

10-2-3+10=

8-3+10=

5+10=

15