Correção da atividade 13 - 6ª serie
11
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Transcript of Correção da atividade 13 - 6ª serie
Exercícios 18, 19 e 22
+ 5 + ( + 1)
+ 5 + 1
6
+ 8 + ( – 3)
+ 8 – 3
5
+ 15 + (– 11)
+ 15 – 11
4
– 25 – (– 5)
– 25 + 5
– 20
+ 9 – (– 16)
+ 9 + 16
25
+ 15 – (– 32 )
+ 15 + 3247
– 21 – (+ 3 )
– 21 – 3 – 24
– (– 2 ) + (+ 14 – 5 )
+ 2 + ( + 9 )11
(– 4 ) – ( – 10 + 8 )
– 4 – (– 2) – 4 + 2
– 2
+ 2 + ( + 3 ) – (+ 4 – 21 )
+ 2 + 3 – (– 17 )
+ 5 + 17
22
– 4 – (– 3) – ( + 1 – 14 )
– 4 + 3 – (– 13)
– 1+ 13
12
+ 14 – (– 10 + 8 )
+ 14 – (– 2)
+ 14 + 2
16
– 15 + [– 4 – (+ 15)]
– 15 + [– 4 – 15]
– 15 + [–19]
– 15 – 19
– 34
20 – {– 10 + [ + 20 – (–10)]}
20 – {– 10 + [ + 20 + 10 ]}
20 – {– 10 + [ + 30 ]}
20 – {– 10 + 30}
20 – {+ 20}
20 – 20
0
– 12 – 6 – (– 13 )
– 18 + 13– 5
20 – [– 8 + (– 6)]
20 – [– 8 – 6 ]
20 – [– 14]
20 + 14
34
4 – { – 6 – [ + 7 + (– 2)] + 5}
4 – { – 6 – [ + 7 – 2 ] + 5}
4 – { – 6 – [+ 5] + 5}
4 – { – 6 – 5 + 5 }
4 – { – 6}
4 + 6
10
– 2 – {– [–(+3)}
– 2 – {– [–3]}
– 2 – { + 3}
– 2 – 3 12 + { – 2 + [– 3 – (– 1 )]}
12 + { – 2 + [– 3 + 1]}
12 + { – 2 + [– 2]}
12 + {– 2 – 2}
12 + {– 4}
12 – 4
8
22.
3 + ( + 5 )
3 + 5
8
– 6 + (8 – 3)
– 6 + 5
– 1
– 10 – (– 6 )
– 10 + 6
– 4
4 – (– 15 + 2 )
4 – (– 13)
4 + 13
17
3 + (– 6) – (– 8)
3 – 6 + 8
11 – 6
5
– 5 – (– 8 + 1) + (–7)
– 5 – (– 7) – 7
– 5 + 7 – 7
– 5
– (– 3 ) – (– 5)
+ 3 + 5
8
4 + (– 7 ) – ( – 3 )
4 – 7 + 3
7 – 7
0
