Question

como resolvo esses calculos​

Answer 1

Resposta:

a)20-(1.6+8)=

20-(6+8)=

20-14=

6

b)36+2.[8+2.(9.1)]-32.1

36+2.[8+2.9]-32=

36+2.[8+18]-32=

36+2.26-32=

36+52-32=

88-32=

56

c)(16-12):2+25:5=

4:2+5=

2+5=

7