Operaciones aritméticas básicas
Jesús SotoPráctica o problema30 de Mayo de 2019
2.355 Palabras (10 Páginas)997 Visitas
Bloque 1. Aritmética básica
Tema 1 Operaciones aritméticas básicas Ejercicios resueltos
1.1-1[pic 1]
Solución
a)
b)
(−2) −
−10 −
(+7 ) −
(+2) +
(−12) +
(−5) +
(+5) = 8
(+4) − (−20) = 7
c) + 15 −
(−15) −
(+15) +
(−15) = 0
[pic 2]
1.1-2[pic 3]
Solución
a)
(−2)⋅(+7)⋅
(−12)⋅
(+5) = +840
b) −10 ⋅
(+2)⋅
(−5)⋅
(+4)⋅(−20) = −8.000
c) (+15 −
d ) (+15 −
(−15))⋅
(−15))⋅
(+15) +
((+15) +
(−15) = 435
(−15)) = 0
[pic 4]
1.1-3[pic 5]
G3w
Conocimientos básicos de Matemáticas. Bloque 1. Aritmética Básica. Tema 1. Operaciones aritméticas básicas
[pic 6]
Solución
a)
b)
(−1)20 = 1
(−1)33 = −1
c) (−3)5 ⋅
(+2)4 ⋅((−4)2 + (−2)) = (−243)⋅16 ⋅ (16 − 2) = −54.432
(−3)5 ⋅ (+7)2 (−243)⋅ 49 1.701
d ) = = −[pic 7][pic 8]
(−4)2 + (−2) 14 2[pic 9]
1.1-4[pic 10]
Solución
a)
1 + 3 + 2 = 6 = 1
6 6 6 6[pic 11][pic 12][pic 13][pic 14]
b) 2 + 3 + 7 =[pic 15][pic 16][pic 17]
96 + 120 + 210 = 426 = 71
5 6 8 240 240 240 240 40[pic 18][pic 19][pic 20][pic 21][pic 22]
c) (−3)⎛ 2 + 3 ⎞ + ⎛ 2 + 3 ⎞ = (−3)⎛ 7 ⎞ + ⎛ 6 + 6 ⎞ = − 21 +1 = − 13[pic 23][pic 24][pic 25][pic 26][pic 27][pic 28][pic 29][pic 30][pic 31][pic 32]
⎜ 4 8 ⎟ ⎜ 4 6 ⎟ ⎜ 8 ⎟ ⎜ 12 12 ⎟ 8 8
[pic 33]
1.1-5[pic 34]
Solución
a)
( − 2) ⋅ ⎛ 1 + 3 + 2 ⎞ = (−2) ⋅ 6 = −2
[pic 35] [pic 36] [pic 37] [pic 38]
⎜ 6 6 6 ⎟ 6
⎝ ⎠
b) ⎛
2 + 3 + 7 ⎞ ⋅⎛
[pic 39] [pic 40] [pic 41]
1 + 3 + 2 ⎞ = ⎛ 96
[pic 42] [pic 43] [pic 44]
+ 120 + 210 ⎞ ⋅ 6 = 426 ⋅1 = 71
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