LISTA DE EXERCÍCIOS – EXPRESSÕES NUMÉRICAS COM NÚMEROS NATURAIS 1) Resolva as expressões numéricas abaixo, as quais envolvem adição e subtração. a) b) c) d) e) f) g) h) i) j)
300 – {120 – [80 – (20 – 10)]} 30 – {20 – [ 14 – (3 + 5) + 4]} {[(10 – 5) + (2 + 3) – (6 – 3)]} 136 – {72 – [24 – (16 – 6)]} 420 + {840 – [(160 + 400) + (400 – 160)]} 198 + 72 – [240 – (146 + 36) – 8] + 30 (12 – 8 + 5) + {6 – [12 – 1 + 11) – 18]} – (17 – 15 – 1) 25 – {36 – [4 + (18 – 1 + 10) – (6 – 2)]} {[23 – (6 + 7 – 12)] – [(12 – 6) – (5 – 2)]} + (12 – 3 + 5) 100 – {25 + [14 – (10 + 5 – 4) – (12 – 3 – 6)] + 75}
2) Resolva as expressões numéricas abaixo, as quais envolvem adição, subtração e multiplicação. a) b) c) d) e) f) g) h) i) j)
4+3.5–6.2 13 – 4 . 3 + 12 . 4 (5 + 2 . 3) – (4 – 3 . 1) 6 . 9 – (5 + 2 . 6) – (12 – 4 . 3) (14 – 2 . 3) . 5 – [6 . (5 – 2 . 2) – 3 . 2] . (17 + 4 . 5) (23 – 5 . 4 + 3) + 5.[(12 – 4 . 2) . 3 – (25 – 6 . 4) – 1] {6 + 4 . [18 – (3 + 2 . 5) – (4 . 3 – 6 – 3 . 2)]} + (4 + 3 . 2) {8 + 5 . 4 – 2 . [3 + (4 – 2 . 1) . 5 – 3 . 4]} – [2 + (2 + 5 . 4)] (36 – 14 . 2) + {[15 + (5 . 4 – 3 . 2) . 5 – 3 . 6] – (2 + 9 . 3)} . 2 13 . {[6 + (15 – 3 . 4) . 2 – (8 + 2 . 2)] + (6 + 4 . 3) – 18]
3) Resolva as expressões numéricas abaixo, as quais envolvem adição, subtração, multiplicação e divisão. a) b) c) d) e) f) g) h)
13 + 52 : 13 – 4 . 8 : 16 (7 – 25 : 5) . 3 + (28 – 4 . 5) : 4 (26 – 4 . 3) : 7 + [6 + (5 + 8 : 4) – 3] : 2 17 + [(6 + 4 . 7) : 2 – (13 – 4 . 2) . 3] . (16 – 7 . 2) 29 – (4 + 3 . 2) : 5 – [18 – (16 – 7 . 2) . 4] : (18 – 4 . 4) 28 – {7 . 5 : [15 – (6 + 3 . 8) : 6 – 5 . (14 . 3 – 8 . 6 : 4) : 30]} . (9 – 4 . 2) {13 + [5 – 6 . (18 – 4 . 3 – 8 : 2) : 3] . (4 + 6 : 3)} – (6 + 3 . 2) {(35 – 5 . 4 + 3 . 2) + 6 . [(5 + 16) . 3 – (15 – 6 . 2) . 4] : 3} : (9 – 2 . 3)
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Professor: Mário André
i) (4 + 2 . 5 – 2 . 3) + {104 – [18 . (10 – 4 . 2 + 6 . 4) – 5 . (34 – 7 . 3) – 3] : 40 + 84} j) 116 – {15 + 6 . (13 + 9 . 4) : (8 – 3 . 2 + 1) – [(15 . 4 – 8 . 6) – (18 : 3 + 4)]}
4) Resolva as expressões numéricas abaixo, as quais envolvem as quatro operações matemáticas e potenciação. a) b) c) d) e) f) g) h) i) j)
72 – 32 . 4 + 52 : 5 (13 + 12 : 6)2 : 5 – (29 – 43 : 8) : 7 (5 . 9 – 23 . 4) : 13 + [9 – (17 – 3 . 5)2 + 23] : 13 (39 – 24 : 4 . 3) : 7 + [(6 + 5 . 3) – (92 – 7 . 3) : 3]5 96 – [4 + (6 . 5 – 3 . 2 – 4)2 – (17 + 3 . 9)] : 22 – 6 121 : [72 – (45 – 32 . 13 : 39) + 4]2 + (6 – 81 : 34) 125 : (32 + 42) – {[8 + (7 – 8 : 2)3] : 5 – [6 + (2 + 4 . 3)] : 10} 18 – [43 – (6 – 4 : 2)2 . (8 + 53 : 25) : 13] : 32 {120 – (4 + 6 . 2) : [9 – (4 . 2 – 23)5 – (8 – 21 : 7)]2} – 9 {86 – 5 . [25 – 6 . (40 – 6 . 5 – 23)] : (8 + 4.3)} – (72 – 32)
5) Resolva as seguintes expressões numéricas: a) b) c) d) e) f) g) h) i) j) k) l) m) n) o)
40 – (26 + 4) + (18 – 15 + 7) 23 – {(10 – 5 + 3) – {(15 – 4 + 2) – (10 + 1 – 2) {12 + 25 . [(8 – 3 . 2) . (5 + 4 . 3 – 10) – 5 . 2]} – [8 – (15 – 6 . 2) . 2} (3 + 14 . 6 – 7) : 8 + {25 . [16 – (4 . 3 – 6) + (15 . 2 – 81 : 3) – 10] – (8 + 8 . 8)} (3 + 3 . 3) – [64 . (7 . 2 – 3 . 4) – (11 + 10 . 12 – 7)] . {(2 + 5 . 3) + [(6 . 5 – 19) . 7 + 8]} : (5 . 6 + 4) {(6 . 2 – 23)2 + 23 . [(6 + 4 . 5 + 2) – (6 + 2 . 3) : (23 – 2)] – (6 – 22)2} : 4 [(3 . 7 - 3 . 4) + (6 . 5 . 23 + 1)] : (1 + 2 . 2)3 + 7 . (9 . 7 – 5 . 4 – 35) : 4 34 : {(3 . 2 – 1)2 – [(12 – 32)3 : 9] + (20 – 3 . 5)} (5 . 4 – 5) . 22 – 25 : (8 – 22) + 50] : {(6 . 5 – 5) – [6 + (23 + 1) . 2 : (3 . 5 – 6)]} {(7 – 5)3 – [(5 . 5 – 13) + (24 + 1) – (4 . 3 – 5)]} : 5 + 32 . 2 – (43 – 52) : 3 {(1 + 2 . 5) . [23 . 10 – 1) . 2 – (5 . 10 – 32)]} : {(15 . 10 – 7) . 32] (11 + 62) + (52 – 3 . 7) . (5 . 8 + 1 – 3 . 6 – 22)10 . {23 – [2 . 9 + (13 – 23) – 50]}4 [(5 . 6 – 1) – 11 . (33 + 1) : (3 . 13 – 52)]2 + [81 – (2 + 5 . 8) . (15 – 32)0] : (3 + 5 . 2) (4 . 7 – 23) – (62 – 4 . 5 – 13) . {(3 . 5 – 23) + (6 . 3 – 42)3 : 4 – [20 – 6 . (32 – 5) : 2]} {(32 – 2)3 : (3 . 8 + 52) + [(7 . 8 – 25) – 3 . 8] + 54 : 6} : (6 . 9 – 52)
www.matemaster1.blogspot.com.br
Professor: Mário André
GABARITO QUESTÃO 1 a) b) c) d) e) f) g) h) i) j)
250 20 7 78 460 250 10 16 33 10
QUESTÃO 2 a) b) c) d) e) f) g) h) i) j)
7 49 10 37 40 56 36 2 84 0
e) f) g) h) i) j)
0 6 0 15 110 41
QUESTÃO 5 a) b) c) d) e) f) g) h) i) j) k) l) m) n) o)
20 19 110 13 0 55 16 3 6 7 1 51 52 17 8
QUESTÃO 3 a) b) c) d) e) f) g) h) i) j)
15 8 7 21 22 21 23 41 186 5
QUESTÃO 4 a) b) c) d)
41 42 2 4
www.matemaster1.blogspot.com.br
Professor: Mário André