Question

49 + 36 =
40 + 9 e 30 + 6 =
40 + 30 = 70 e 9 + 6 = 15
70 + 15 = 70 + 10 + 5 = 80 + 5
80 + 5 = 85​

Answer 1

Resposta:

A *49+36 =52

B*40+6=49+30+6=36

C*40+30=70+9+6=15/

70+15=-11

D*70+15=70+10+5=80+15=

70+10+5=80+15=-80

E*80+15 e ingual 85.