Question

a)( -4 ) . ( + 6) + ( - 7 ) . ( - 2 ) 



b)( 5 . 3 – 6 ) + ( 10 : 2 – 2 )



c)12 + [ ( 6 + 4 . 3 ) – 10 ]



d)15 + [ 40 – ( 2 + 9 . 3 ) ]



e) [ ( 10 + 5 . 3 ) + ( 18 : 3 – 2 ) ] 



f) [ ( 13 + 4 . 2 ) : 7 + 4 . 3 ] : 3



g) [ ( 48 – 10 . 4 ) + ( 42 . 6 – 55 ) ] . 2


h) 46 : { 3 + [ ( 4 + 24 : 4 ) + 10 ] } 


i) 4 – { 3 + [ 7 – ( 11 – 9 . 2 ) + 5 ] – 6 }


 j) 4 – { 1 + ( 10 – 5 ) – [ 8 + ( - 9 + 7 ) ] + 12 }

pfvr pessoas:3

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Answer 1

Resposta:

a) -4 × 6 + (- 7) × -2

-24 +14

-10

b) (5×3-6)+(10÷2-2)

(15-6)+(5-2)

9 + 3

12

c) 12+[(6+4×3)-10]

12 + [(6+12)-10]

12 +[18-10]

12 + 8

20

d) 15+[40-(2+9×3)]

15+[40-(2+27)]

15+[40-29]

15 + 11

26

e) [(10+5×3)+(18÷3-2)]

[(10+15)+(6-2)]

[25+4]

29

f) [(13+4×2)÷7+4×3]÷3

[(13+8)÷7+4×3]÷3

[21÷7+4×3]÷3

[3+12]÷3

15÷3

5

g) [(48-10×4)+(42×6-55)]×2

[(48-40)+(252-55]×2

[8+197]×2

205×2

410

h) 46÷{3+[(4+24÷4)+10]}

46 ÷{3+[(4+6)+10]}

46 ÷ {3+[10+10]}

46 ÷ {3+20}

46 ÷ 23

2

i) 4-{3+[7-(11-9×2)+5]-6}

4-{3+[7-(11-18)+5]-6}

4-{3+[7+7+5]-6}

4-{3+19-6}

4-{22-6}

4-16

-12

j) 4-{1+(10-5)-[8+(-9+7)]+12}

4-{1+5-[8-2]+12}

4-{6-6+12}

4-12

-8