1 \startsection[title={Operacions amb nombres sencers}]
3 \startsubject[title={Preguntes}]
5 \startexercici[exercici:operacions-sencers-1]{combinades} Opereu:
6 \startitemize[a, columns, three]
11 \item $4 \colon (-2) + 5$
12 \item $-3 + (-2) \cdot (-5)$
13 \item $-10 \colon (-2)$
15 \item $20 \cdot (-5) + 5$
16 \item $-5 + 5 \cdot 2$
17 \item $10 - 60 \colon 2 \colon (-2)$
18 \item $-5 + 2 - 10 + 3$
22 \startexercici[exercici:operacions-sencers-2]{combinades} Opereu:
23 \startitemize[a, columns]
24 \item $9 - 2 \cdot (-6) − 1$
25 \item $\left(-9 + 3\right) \colon (-3) - 2 \cdot \left(-9 + 8\right)$
26 \item $-40 − 1 + 20 \cdot (-4) − 8 \cdot (-2)$
27 \item $3 + \left(-4 + \left(3 - 97 \right) \cdot (-3)\right)$
31 \startexercici[exercici:operacions-sencers-3]{suma} Trobeu el valor de les expressions següents:
32 \startitemize[a, packed, columns, four]
44 \startexercici[exercici:operacions-sencers-4]{suma} Opereu:
45 \startitemize[a, columns]
48 \item $13 - 9 + 5 - 7$
49 \item $6 - 8 - 6 + 5 - 6$
50 \item $-3 - 5 + 2 - 1 - 7$
51 \item $-8 - 7 - 10 + 18$
55 \startexercici[exercici:operacions-sencers-5]{suma amb parèntesis} Calculeu:
56 \startitemize[a, columns]
57 \item $(6) + (+3) + (-4)$
58 \item $(+8) + (-8) + (-7)$
59 \item $7 + (-6) + (-9)$
60 \item $(2) + (-9) + (+3)$
61 \item $(5) + (-3) + (-7)$
62 \item $(-5) + 3 + (-7)$
63 \item $- (-10) + 2 - (+25) - 11 + (-20)$
64 \item $7 + (+ 90) - (-8) - 78 - (+81)$
65 \item $- (-121) - 11 + (-278) - (-15)$
66 \item $135 - (-8) - (-78) + (-40)$
70 \startexercici[exercici:operacions-sencers-6]{producte i divisió} Calculeu:
71 \startitemize[a, columns]
72 \item $(-30) \cdot (-2) \colon (-5)$
73 \item $(-50) \colon (-5) \colon (-2) \cdot (+10)$
74 \item $10 \cdot (-2) \colon (+5) \cdot (-20)$
75 \item $+400 \cdot (-20) \cdot (-5) \colon (-4)$
76 \item $-900 \cdot (-7) \colon (+5) \colon (-2) \colon (-10)$
77 \item $-50 \cdot (-10) \cdot (-5) \colon (+2)$
78 \item $4 \cdot 20 \cdot (-15) \colon (-2)$
79 \item $-7 \cdot (-8) \cdot (+10) \colon (-4)$
83 \startexercici[exercici:operacions-sencers-7]{combinades} Calculeu:
84 \startitemize[a, columns]
85 \item $3 - 5 \cdot (-2) + 4$
86 \item $5 \cdot (-3) + 2 \cdot (-7)$
87 \item $90 \colon (-2) \cdot 6 - 2$
88 \item $-5 \colon (-1) - (-2) + (-5)$
89 \item $-6 -3 \colon (-3) \cdot 6 + 2$
90 \item $-5 + 10 \cdot (-2)$
94 \startexercici[exercici:operacions-sencers-8]{combinades} Calculeu:
95 \startitemize[a, columns]
96 \item $-5 - (-4 + 6 -10) + 2$
97 \item $90 \colon (-5) \colon (-1 + 2 + 4 -6) - (-2)$
98 \item $-5 \colon (-1) + (-3 + 4 -5) \colon (-2)$
99 \item $\left(-12 \colon \left(-3\right) - 13\right) \colon (-9)$
100 \item $-500 \colon (-2 + 4) + (-2) + (-5)$
101 \item $-5 + 23 - 70 \cdot \left(+9 - 1 \cdot (-5)\right)$
105 \startexercici[exercici:operacions-sencers-9]{combinades} Calculeu:
106 \startitemize[a, columns]
107 \item $-2 \cdot (-5) - 3 \cdot (-7)$
108 \item $50 \colon (-2) + 6 \cdot (- 2)$
109 \item $110 \colon (-2) - (-5) + 2$
110 \item $-6 + 30 \colon (-6) \cdot 4 - (- 2)$
114 \startexercici[exercici:operacions-sencers-10]{oposat i valor absolut} Trobeu l'oposat i el valor absolut dels nombres següents:
116 \startitemize[a, columns,packed]
118 \item $\lvert -12 \rvert$
120 \item $\lvert 44 \rvert$
122 \item $\lvert +44 \rvert$
124 \item $\lvert 0 \rvert$
131 \startsubject[title={Solucions}]
133 \startitemize[1][distance=0.5cm]
134 \sym{\in[exercici:operacions-sencers-1]} \startitemize[a, text] \item $-2$, \item $-2$, \item $-8$, \item $-7$, \item $3$, \item $7$, \item $5$, \item $-200$, \item $-95$, \item $5$, \item $25$, \item $-10$ \stopitemize
136 \sym{\in[exercici:operacions-sencers-2]} \startitemize[a, text] \item $20$, \item $4$, \item $-105$, \item $281$ \stopitemize
138 \sym{\in[exercici:operacions-sencers-3]} \startitemize[a, text] \item $4$, \item $3$, \item $8$, \item $-5$, \item $-6$, \item $-2$, \item $-7$, \item $10$ \stopitemize
140 \sym{\in[exercici:operacions-sencers-4]} \startitemize[a, text] \item $0$, \item $-1$, \item $2$, \item $-9$, \item $-14$, \item $-7$ \stopitemize
142 \sym{\in[exercici:operacions-sencers-5]} \startitemize[a, text] \item $5$, \item $-7$, \item $-8$, \item $-4$, \item $-5$, \item $-9$, \item $-44$, \item $-54$, \item $-153$, \item $181$\stopitemize
144 \sym{\in[exercici:operacions-sencers-6]} \startitemize[a, text] \item $-12$, \item $-50$, \item $80$, \item $-10.000$, \item $63$, \item $-1250$, \item $600$, \item $-140$ \stopitemize
146 \sym{\in[exercici:operacions-sencers-7]} \startitemize[a, text] \item $17$, \item $-29$, \item $-1082$, \item $2$, \item $2$, \item $-25$ \stopitemize
148 \sym{\in[exercici:operacions-sencers-8]} \startitemize[a, text] \item $5$, \item $20$, \item $7$, \item $1$, \item $-257$, \item $-962$ \stopitemize
150 \sym{\in[exercici:operacions-sencers-9]} \startitemize[a, text] \item $31$, \item $-37$, \item $-48$, \item $-24$ \stopitemize
152 \sym{\in[exercici:operacions-sencers-10]} \startitemize[a, text] \item $12$, \item $12$, \item $-80$, \item $44$, \item $-50$, \item $44$, \item $1$, \item $0$\stopitemize