Question

resolva as expressões numéricas

a) 8+2.5-4:2+6=
b) 20:4-3+6.4=
c) 6+(3.2-1)=
d) 4+[20 - (3+2.3)+1]=
e) 1+{18-[4-1.2+(6.0+1)]}
me ajudemmmm

Answer 1

Resposta:

A 8+2.5-4:2+6

8+10-4:2+6

8+10-2+6

18-2+6

16+6

22

B 20:4-3+6.4

5-3+6.4

5-3+24

2+24

26

C 6+(3.2-1)

6+(6-1)

6+5

11

D 4+[20- (3+2.3)+1]

4+[20- (3+6)+1]

4+[20-9+1]

4+[20-10]

4+10

14

E 1+{18-[4-1.2+(6.0+1)]}

1+{18-[4-2+(6.0+1)]}

1+{18-[4-2+(0+1)]}

1+{18-[4-2+1]}

1+{18-[2+1]}

1+{18-3}

1+15

16