Question

caucule o valor de cada expressão numerica.
a) (18-15+3)+2
b) 30+(50-12)-15
c) 13-8+7-4-2
d) (60-12)-(10+20)-4
e) (100-35+15)+(200+135-98)
f) 200-(40+50)-90-10​

Answer 1

Explicação passo-a-passo:

a) (18-15+3)+2=

(3+3)+2=

6+2=

8.

b) 30+(50-12)-15=

30+38-15=

68-15=

53.

c)13-8+7- 4 -2=

5+7-4-2=

12-4-2=

8-2=

6.

d) (60-12)-(10+20)-4=

48-(10+20)-4=

48-30-4=

18-4=

14.

e)(100-35+15)+(200+135-98)=

(65+15)+(200+135-98)=

80+(200+135-98)=

80+(335-98)=

80+237=

317.

f)200-(40+50)-90-10=

200-90-90-10=

110-90-10=

20-10=

10.

BONS ESTUDOS!

ESPERO TER AJUDADO❤