Question

Resolva as expressões b) 9+10×3-8÷2+6÷3-2
c) 20-3+7×3-5×2+10​

Answer 1

Resposta:

B) 9+10.3-8÷2+6÷3-2

b=9+30-8÷2+6÷3-2

b=9+30-4+2-2

b=39-4+2-2

b=35+2-2

b=37-2

b=35

C) 20-3+7.3-5.2+10

c=20-3+21-10+10

c=17+21-10+10

c=38-10+10

c=28+10

c=38

tmj ;)