calcule;
-2+5-7+4-1=
4+9-8-7+3
-3-8+9+3-2=
-7+8-9+1-5=
-3-4-1+5+2-3
-3+4-5+1-7=
-8+5-9+6-1=
Soluções para a tarefa
Respondido por
7
-2+5-7+4-1
3 - 7 + 3
-4 + 3 = -1
====
4+9-8-7+3
13 - 15 + 3
-2 + 3 = 1
====
-3-8+9+3-2
-11 + 9 +1
-2 + 1 = -1
===
-7+8-9+1-5
1 - 9 - 4
-8 - 4 = - 12
====
-3-4-1+5+2-3
-8 + 5 -1
-3 - 1 = -4
======
-3+4-5+1-7
1 - 5 -6
-4 - 6 = - 10
=====
-8+5-9+6-1
-3 - 9 + 5
-12 + 5 = -7
3 - 7 + 3
-4 + 3 = -1
====
4+9-8-7+3
13 - 15 + 3
-2 + 3 = 1
====
-3-8+9+3-2
-11 + 9 +1
-2 + 1 = -1
===
-7+8-9+1-5
1 - 9 - 4
-8 - 4 = - 12
====
-3-4-1+5+2-3
-8 + 5 -1
-3 - 1 = -4
======
-3+4-5+1-7
1 - 5 -6
-4 - 6 = - 10
=====
-8+5-9+6-1
-3 - 9 + 5
-12 + 5 = -7
Helvio:
De nada.
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