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e) 5² + 2³ - 2 x (3 + 9) =
f) 6² : 3² + 4 x 10 – 12 =
g) (7² - 1 ) : 3 + 2 x 5 =
h) 4²- 10 + (2³ - 5) =
i) 30 – (2 + 1)²+ 2³ =
j) [ 4² + ( 5 – 3)³] : ( 9 – 7)³ =
Respostas
Explicação passo-a-passo:
E) 5² + 2³ × (3 + 9) =
5² + 2³ × 12
25 + 8 × 12
25 + 96
121
-----
F) 6² ÷ 3² + 4 × 10 - 12 =
6² ÷ 3² + 40 - 12
36 ÷ 9 + 40 - 12
4 + 40 - 12
32
----
G) (7² - 1) ÷ 3 + 2 × 5 =
49 - 1 ÷ 3 + 2 × 5
48 ÷ 3 + 10
16 + 10
26
----
H) 4² - 10 (2³ - 5) =
4² - 10 (8 - 5)
4² - 10 × 3
4² - 30
16 - 30
- 12
I) 30 - (2 + 1)² + 2³
30 - (2 + 3) × (2 + 3) + 2³
30 - 5 × 5 + 2³
30 - 25 + 2³
5 + 2³
5 + 8
13
J) [ 4² + ( 5 -3)³] ÷ ( 9 – 7)³ =
[ 16 + ( 5 - 3) × ( 5 - 3) × (5 - 3)] ÷ ( 9 – 7)³
[ 16 + 2 × 2 × 2] ÷ (9 - 7)³
[16 + 8] ÷ (9 - 7) × (9 -7) × (9 - 7)
[ 16 + 8] ÷ 2 × 2 × 2
[16 + 8] ÷ 8
24 ÷ 8
3
Espero ter ajudado :)
Resposta:
E) 5² + 2³ × (3 + 9) =
5² + 2³ × 12
25 + 8 × 12
25 + 96
121
-----
F) 6² ÷ 3² + 4 × 10 - 12 =
6² ÷ 3² + 40 - 12
36 ÷ 9 + 40 - 12
4 + 40 - 12
32
----
G) (7² - 1) ÷ 3 + 2 × 5 =
49 - 1 ÷ 3 + 2 × 5
48 ÷ 3 + 10
16 + 10
26
----
H) 4² - 10 (2³ - 5) =
4² - 10 (8 - 5)
4² - 10 × 3
4² - 30
16 - 30
- 12
I) 30 - (2 + 1)² + 2³
30 - (2 + 3) × (2 + 3) + 2³
30 - 5 × 5 + 2³
30 - 25 + 2³
5 + 2³
5 + 8
13
J) [ 4² + ( 5 -3)³] ÷ ( 9 – 7)³ =
[ 16 + ( 5 - 3) × ( 5 - 3) × (5 - 3)] ÷ ( 9 – 7)³
[ 16 + 2 × 2 × 2] ÷ (9 - 7)³
[16 + 8] ÷ (9 - 7) × (9 -7) × (9 - 7)
[ 16 + 8] ÷ 2 × 2 × 2
[16 + 8] ÷ 8
24 ÷ 8
3
Explicação passo a passo: