Question

30 - 18 + 15 - 9 =
18 + (14 - 4) + 5 =
18 -(13 - 10) + (35 + 5) =
(9 + 5) - (10 - 8) =
13 + (18 - 15) - (10 + 5) =
(14 + 17) - (12 + 10) =​

Answer 1

Respuesta:

30-18+15-9=12+6=18

18+(14-4)+5= 18+10+5= 33

18-(13-10)+(35+5)=18-3+40=15+40=55

(9+5)-(10-8)=14-2=12

13+3-15=18-15=3

31-22=9

Gracias