quem sabe responder essas expressoes a) 15+[6+(8-4:2)] b)10:2+8 c) 40- [5-(10-2):2] d) 32+12:2 e) (12+25)-8 f)25-(15+6:3) g) 25+[7+(8-4:2)] h)60- [8+(10-2):2] i) 80- [22+(5x2-1)+6] j)14:2+[13-(4x2+10)]
Soluções para a tarefa
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a)
15 + [ 6 + (8 - 4 :2 )]
15 + [6 + (8 -2)]
15 + [6 + 6]
15 + 12
=> 27
===
b)
10:2+8
5 + 8
=> 13
===
c)
40 - [5 - (10 - 2) :2]
40 - [5 - (8) : 2]
40 - [5 - 4]
40 - [1]
=> 39
===
d)
32+12:2
32 + 6
=> 38
===
e)
(12 + 25) -8
37 - 8
=> 39
===
f)
25 - (15 + 6 : 3)
25 - (15 + 2)
25 - 17
=> 8
===
g)
25 + [ 7 + ( 8 - 4 :2)]
25 + [7 + (8 - 2)]
25 + [7 + 6 ]
25 + 13
=> 38
===
h)
60 - [8 + (10 - 2) :2]
60 - [8 + (8) : 2]
60 - [8 + 4]
60 - 12
=> 48
===
i)
80 - [22 + (5 . 2 - 1) + 6]
80 - [22 + (10 - 1) + 6]
80 - [22 + 9 + 6]
80 - [22 + 15]
80 - 37
=> 43
===
j)
14 : 2 + [13 -( 4 . 2 +10)]
7 + [13 - (8 + 10)]
7 + [13 - 18]
7 + [-5]
7 - 5
=> 2
15 + [ 6 + (8 - 4 :2 )]
15 + [6 + (8 -2)]
15 + [6 + 6]
15 + 12
=> 27
===
b)
10:2+8
5 + 8
=> 13
===
c)
40 - [5 - (10 - 2) :2]
40 - [5 - (8) : 2]
40 - [5 - 4]
40 - [1]
=> 39
===
d)
32+12:2
32 + 6
=> 38
===
e)
(12 + 25) -8
37 - 8
=> 39
===
f)
25 - (15 + 6 : 3)
25 - (15 + 2)
25 - 17
=> 8
===
g)
25 + [ 7 + ( 8 - 4 :2)]
25 + [7 + (8 - 2)]
25 + [7 + 6 ]
25 + 13
=> 38
===
h)
60 - [8 + (10 - 2) :2]
60 - [8 + (8) : 2]
60 - [8 + 4]
60 - 12
=> 48
===
i)
80 - [22 + (5 . 2 - 1) + 6]
80 - [22 + (10 - 1) + 6]
80 - [22 + 9 + 6]
80 - [22 + 15]
80 - 37
=> 43
===
j)
14 : 2 + [13 -( 4 . 2 +10)]
7 + [13 - (8 + 10)]
7 + [13 - 18]
7 + [-5]
7 - 5
=> 2
Helvio:
Obrigado Tiago.
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