Question

Consede a 3²+2.√16,b √36.2-4 e c√100-√16 .calcule o valor da expressão 2.a+b-3.6

Answer 1

Resposta:

EXERCICIOS

1) Calcule o valor das expressões:

a) 7² - 4 = (R:45)

b) 2³ + 10 = (R:18)

c) 5² - 6 = (R:19)

d) 4² + 7⁰= (R:17)

e) 5⁰+ 5³= (R:126)

f) 2³+ 2⁴ = (R:24)

g) 10³ - 10² = (R:900)

h) 80¹ + 1⁸⁰ = (R:81)

i) 5² - 3² = (R:16)

j) 1⁸⁰ + 0⁷⁰ = (R:1)

2) Calcule

a) 3² + 5 = (R:14)

b) 3 + 5² = (R:28)

c) 3² + 5² = (R:34)

d) 5² - 3² = (R:16)

e) 18 - 7⁰ = (R:17)

f) 5³ - 2² = (R:121)

g) 10 + 10² = (R:110)

h) 10³ - 10² = (R:900)

i) 10³ - 1¹ = (R:999)

3) Calcule o valor das expressões

a) 2³ x 5 + 3² = (R:49)b) 70⁰+ 0⁷⁰ - 1 = (R:0)

c) 3 x 7¹ - 4 x 5⁰ = (R:17)d) 3⁴- 2⁴: 8 – 3 x 4 = (R:67)

e) 5² + 3 x 2 – 4 = (R:27)

f) 5 x 2² + 3 – 8 = (R:15)

g) 5² - 3 x 2² - 1 = (R:12)

h) 16 : 2 – 1 + 7² = (R:56)

4) calcule o valor das expressões:

a) 5² : ( 5 +1 -1)+ 4 x 2 = (R:13)

b) (3 +1)² +2 x 5 - 10⁰ = (R:25)

c) c) 3²: ( 4 – 1) + 3 x 2² = (R:15)

d) 70 –[ 5 x (2² : 4) + 3²] = (R:56)

e) ( 7 + 4) x ( 3² - 2³) = (R:11)

f) 5² + 2³ - 2 x (3 + 9) = (R:9)

g) 6² : 3² + 4 x 10 – 12 = (R:32)

h) (7² - 1 ) : 3 + 2 x 5 = (R:26)

5) calcule o valor das expressões:

a) 5 + 4²- 1 = (R:20)

b) 3⁴ - 6 + 2³ = (R:83)

c) 2⁵ - 3² + 1⁹ = (R:24)

d) 10²- 3² + 5 = (R:96)

e) 11² - 3² + 5 = (R:117)

f) 5 x 3² x 4 = (R:180)

g) 5 x 2³ + 4² = (R:56)

h) 5³ x 2² - 12 = (R:488)

6) Calcule o valor das expressões:

a) ( 4 + 3)² - 1 = (R:48)

b) ( 5 + 1 )² + 10 = (R:46)

c) ( 9 – 7 )³ x 8 = (R:64)

d) ( 7² - 5²) + ( 5² - 3 ) = (R:46)

e) 6² : 2 - 1⁴ x 5 = (R:13)

f) 3² x 2³ + 2² x 5² = (R:172)

7) Calcule o valor das expressões:

a) 4²- 10 + (2³ - 5) = (R:9)

b) 30 – (2 + 1)²+ 2³ = (R:29)

c) 30 + [6² : ( 5 – 3) + 1 ] = (R:49)

d) 20 – [6 – 4 x( 10 - 3²) + 1] = (R:17)

e) 50 + [ 3³ : ( 1 + 2) + 4 x 3] = (R:71)

f) 100 –[ 5² : (10 – 5 ) + 2⁴ x 1 ] = (R:79)

g) [ 4² + ( 5 – 3)³] : ( 9 – 7)³ = (R:3)

h) 7²+ 2 x[(3 + 1)² - 4 x 1³] = (R:73)

i) 25 + { 3³ : 9 +[ 3² x 5 – 3 x (2³- 5¹)]} = (R:64)

8) Calcule as expressões:

a) ( 8 : 2) . 4 + {[(3² - 2³) . 2⁴ - 5⁰] . 4¹}= (R:76)

b) ( 3² - 2³) . 3³ - 2³ + 2² . 4² = ( R:83)

c) ( 2⁵ - 3³) . (2² - 2 ) = (R: 10)

d) [2 . (10 - 4² : 2) + 6²] : ( 2³ - 2²) = ( R:10)

e) (18 – 4 . 2) . 3 + 2⁴ . 3 - 3² . ( 5 – 2) = (R: 51)

f) 4² . [2⁴ : ( 10 – 2 + 8 ) ] + 2⁰ = (R: 17)

g) [( 4² + 2 . 3²) + ( 16 : 8)² - 35]² + 1¹⁰ - 10⁰ = (R : 9)

h) 13 + ( 10 – 8 + (7 – 4)) = (R: 18)

i) (10 . 4 + 18 – ( 2 . 3 +6)) = (R:46)

j) 7 . ( 74 – ( 4 + 7 . 10)) = (R: 0)

k) ( 19 : ( 5 + 3 . 8 – 10)) = (R : 1)

l) (( 2³ + 2⁴) . 3 -4) + 3² = (R: 77)

m) 3 + 2 . ((3²- 2⁰) + ( 5¹ - 2²)) + 1 = (R: 22)

9 Calcule o valor das expressões:

a) 3 - 4² + 1 = (R:-12)b) 2³ - 2² - 2 = (R:2)

c) (-1)⁴ + 5 - 3² = (R:-3)

d) 5⁰ - 5¹ - 5⁰ = (R:-5)

e) (-3)². (+5) + 2 = (R:47)

f) (-1)⁷ - (-1)⁸ = (R:-2)

g) 5 + (-3)² + 7⁰ = (R:15)

h) √49 + 2³ - 1 = (R:14)

10 Calcule o valor das expressões:

a) (-3)² + 5 = (R:14)

b) (-8)² - (-9)² = (R:-17)

c) -72⁰ + (-1)⁸ = (R:0)

d) (-12)⁰ + (+12)⁰ = (R:2)

e) 10³ - (-10)² - 10⁰ = (R:899)

f) (-7)² + (-6)² - (-1)² = (R:84)

g) (-1)⁶ + (+1)⁵ + (-1)⁴ + (+1)³ = (R:4)

h) 2⁶ - 2⁵ - 2⁴ - 2³ - 2² - 2 = (R:2)

11) Calcule o valor das expressões:

a) 5 – { +3 – [(+2)² -(-5)² + 6 – 4 ]} = (R:-17)

b) 15 – { -3 + [(5 – 6)² . (9 -8 ) ² + 1]} = (R:16)

c) 18 – { 6 – [ -3 – (5 – 4) – (7- 9)³ ] – 1 } = (R:17)

Explicação passo a passo: aqui ja estar quase todos

Answer 2

Resposta:

a= 3²+2.4; b= 6.2-4; c=10-4

a=9+8=17

b=12-4= 8

c= 6

2.a+b-3.6

2.17+8-18

34-10= 24