A) 4² - 10 + (2³-5) =?
b) 30- (2+1)² + 2³ =?
c) 30+ [6²: (5-3) + 1] =?
d) 20 - [6-4 x(10 - 3²) + 1]=?
b) 30- (2+1)² + 2³ =?
c) 30+ [6²: (5-3) + 1] =?
d) 20 - [6-4 x(10 - 3²) + 1]=?
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A) 4² - 10 + (2³ - 5 ) =16 - 10 + (8 - 5 ) =
16 - 10 + 3 =
6 + 3 =
9
B) 30 - (2 + 1)² + 2³ =
30 - (3)² + 8 =
30 - 9 + 8 =
29
C) 30 + [ 6² : (5 - 3) + 1 ] =
30 + [ 36 : ( 2 ) + 1 ] =
30 + [ 36 : 2 + 1 ] =
30 + [ 18 + 1 ] =
30 + [ 19 ] =
30 + 19 =
49
D) 20 - [ 6 - 4 x (10 - 3²) + 1 ] =
20 - [ 6 - 4 x ( 10 - 9 ) + 1 ] =
20 - [ 6 - 4 x 1 + 1 ] =
20 - [ 6 - 4 + 1 ] =
20 - [ 3 ] =
20 - 3 =
17
Resposta:
Explicação passo-a-passo:
A)
4² - 10 + (2³ - 5 ) =
16 - 10 + (8 - 5 ) =
16 - 10 + 3 =
6 + 3 =
9 ⚠️
B) 30 - (2 + 1)² + 2³ =
30 - (3)² + 8 =
30 - 9 + 8 =
29⚠️
C) 30 + [ 6² : (5 - 3) + 1 ] =
30 + [ 36 : ( 2 ) + 1 ] =
30 + [ 36 : 2 + 1 ] =
30 + [ 18 + 1 ] =
30 + [ 19 ] =
30 + 19 =
49⚠️
D) 20 - [ 6 - 4 x (10 - 3²) + 1 ] =
20 - [ 6 - 4 x ( 10 - 9 ) + 1 ] =
20 - [ 6 - 4 x 1 + 1 ] =
20 - [ 6 - 4 + 1 ] =
20 - [ 3 ] =
20 - 3 =
17⚠️
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