Operações em z
Resolva as expressões:
A)(-5)-(3)-(+7)-(-4)=
B)1+(+6)-(-2)+(-9)=
C)(-4)-(-3)+(+2)-(+1)+(-8)=
Resolva as expressões:
A)(-5)-(3)-(+7)-(-4)=
B)1+(+6)-(-2)+(-9)=
C)(-4)-(-3)+(+2)-(+1)+(-8)=
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-5-3-7+4
-15+4 = -11
B) 1+(+6)-(-2)+(-9)
1+6+2-9
9-9 =0
C) (-4)-(-3)+(+2)-(+1)+(-8)
-4+3+2-1-8
-13+5
-8
A) (-5)-(+3)-(+7)-(-4)
-5-3-7+4
-11
B) 1+(+6)-(-2)+(-9)
1+6+2-9
0
C) -4-(-3)+(+1)+(-8)
-4+3+1-8
-8