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Elisangelaalves87
@Elisangelaalves87
April 2020
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Elime os ( ) e [ ]
a) -(-5)
b) +(-7)
c) +[-5-(-2)]
d) +[-(-2)]
e) -[-(-3-4)+5]
f) +[-8+(-2)]
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jhonatastv
Verified answer
A) -(-5)
= 5
b) +(-7)
= - 7
c) +[-5-(-2)] = +[- 5 + 2] = +[- 3]
= - 3
d) +[-(- 2)] = +[ 2 ]
= 2
e) -[-(-3-4)+5] = -[-(- 7) + 5] = -[ 7 + 5] = - [ 12 ]
= - 12
f) +[-8+(-2)]
= +[- 8 - 2] = +[- 10]
= - 10
1 votes
Thanks 1
3478elc
Verified answer
A) -(-5) =
+ 5
b) +(-7)=
- 7
c) +[-5-(-2)] = +[- 5 +2] = + [ - 3 ] =
- 3
d) +[-(-2)]= +[+2]=
+ 2
e) -[-(-3-4)+5] = -[-(-7)+5]= -[+7+5]= - [+12]=
- 12
f) +[-8+(-2)] = +[ -8 - 2]= + [- 10]=
- 10
0 votes
Thanks 1
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Verified answer
A) -(-5) = 5b) +(-7) = - 7
c) +[-5-(-2)] = +[- 5 + 2] = +[- 3] = - 3
d) +[-(- 2)] = +[ 2 ] = 2
e) -[-(-3-4)+5] = -[-(- 7) + 5] = -[ 7 + 5] = - [ 12 ] = - 12
f) +[-8+(-2)] = +[- 8 - 2] = +[- 10] = - 10
Verified answer
A) -(-5) = + 5b) +(-7)= - 7
c) +[-5-(-2)] = +[- 5 +2] = + [ - 3 ] = - 3
d) +[-(-2)]= +[+2]= + 2
e) -[-(-3-4)+5] = -[-(-7)+5]= -[+7+5]= - [+12]= - 12
f) +[-8+(-2)] = +[ -8 - 2]= + [- 10]= - 10