Cajamar, 02 de março de 2015 Atividade Expressões 01 Nome: _______________________________________RM:_______ Calcule o valor das expressões: a) ( 8 : 2) . 4 + {[(3² - 2³) . 2⁴ - 5⁰] . 4¹}= 4 . 4 + {[(9 - 8) . 16 - 1] . 4}= 16 + {[1 . 16 - 1] . 4}= 16 + {[16 - 1] . 4}= 16 + {15 . 4}= 16 + 60 = 76 b) ( 3² - 2³) . 3³ - 2³ + 2² . 4² = ( 9 - 8) . 27 - 8 + 4 . 16 = 1 . 27 - 8 + 64 = 19 + 64 = 83 c) ( 2⁵ - 3³) . (2² - 2 ) = ( 32 - 27) . (4 - 2 ) = 5 .2 = 10 d) [2 . (10 - 4² : 2) + 6²] : ( 2³ - 2²) = [2 . (10 - 16 : 2) + 36] : ( 8 - 4) = [2 . (10 - 8) + 36] : 4 = [2 . 2 + 36] : 4 = [4 + 36] : 4 = 40 : 4 = 10 e) (18 – 4 . 2) . 3 + 2⁴ . 3 - 3² . ( 5 – 2) = (18 – 8) . 3 + 16 . 3 - 9 . 3 = 10 . 3 + 48 - 27 = 30 + 48 - 27 = 51 f) 4² . [2⁴ : ( 10 – 2 + 8 ) ] + 2⁰ = 16 . [16 : 16 ] + 1 = 16 . 1 + 1 = 16 + 1 = 17 CFI Etec Gino Rezaghi Prof. Wilson Roberto g) [( 4² + 2 . 3²) + ( 16 : 8)² - 35]² + 1¹⁰ - 10⁰ = [( 16 + 2 . 9) + ( 2)² - 35]² + 1 - 1 = [( 16 + 18) + 4 - 35]² = [34 + 4 - 35]² = [38 - 35]² = 3² = 9 h) 13 + ( 10 – 8 + (7 – 4)) = 13 + ( 2 + 3) = 13 + 5 = 18 i) (10 . 4 + 18 – ( 2 . 3 +6)) = (40 + 18 – ( 6 +6)) = (58 – 12) = 46 j) 7 . ( 74 – ( 4 + 7 . 10)) = 7 . ( 74 – ( 74)) = 7.0=0 k) ( 19 : ( 5 + 3 . 8 – 10)) = ( 19 : ( 5 + 24 – 10)) = ( 19 : ( 19)) = 1 l) (( 2³ + 2⁴) . 3 -4) + 3² = (( 8 + 16) . 3 -4) + 9 = ( 24 . 3 -4) + 9 = ( 72 - 4) + 9 = 68 + 9 = 77 m) 3 + 2 . [(3²- 2⁰) + ( 5¹ - 2²)] + 1 = 3 + 2 . [(9- 1) + ( 5 - 4)] + 1 = 3 + 2 . [ 8+ ( 1)] + 1 = 3 + 2 . [ 9] + 1 == 3 + 18 + 1 =22 CFI Etec Gino Rezaghi Prof. Wilson Roberto