Exercícios de matematica 1

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Exercícios de matematica
15 + (-4) 3 – 10 =
 15 – 12 – 10 =-7 
5² + – [ 20 : (-4) + 3] =
25 + 3 – [(-5) + 3] =
25 + 3 – [-2] =
25 + 3 + 2 = =30 
2 + {3 – [1 + (2 – 5 + 4)] + 8} =
 2 + {3 – [1 + 1] +8} =
 2 + {3 – 2 + 8} =
 2 + 9 = =11
36 + 2{25 + [18 – (5 – 2)3]} =
 36 + 2{25 + [18 – (3)3]} = 
 36 +2{25 + [18 – 9]} =
 36 +2{25 + 9} =
 36 + 2 34 = 
 36 + 68 = 104 
[(5² - 6 2²)3 + (13 – 7)² : 3] :5 = 
[(25 – 6 4)3 + 6² : 3] :5 = 
[(25 – 24)3 + 36 :3] :5 = 
[1 3 + 12] :5 =
[3 + 12] : 5 =
 15 : 5 = 3