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Heloisnath
@Heloisnath
December 2019
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47) Resolva as questões com um método,contém cálculo e o método usado.
a) 70 - (4 - 9) =
b) 95 + ( -7 + 3) =
c) -4 - (-7 + 8) =
d) 92 - (-5 - 8 - 7)
e) 6 + (7 - 5) + (8 - 4)
f) 80 - (4 + 7) - (-9 + 7)
g) 75 + (-7) - (-6 + 3 + 8)
h) 2 + (7 - 90) - (7 + 4 - 80)
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adrianevitoria42
Verified answer
A)75
b)91
c)-5
d)112
e)12
f)93
g)63
h)-12
0 votes
Thanks 1
gabrielayanny
Verified answer
Oii!
a. 70 - (4 - 9) = 70 - (-5) = 70+5 = 75
b. 95 + ( -7 + 3) = 95 + (-4) = 95-4 = 91
c. -4 - (-7 + 8) = -4 - (1) = -4-1 = -5
d. 92 - (-5 - 8 - 7) = 92 - (-20) = 92+20 = 112
e.
6 + (7 - 5) + (8 - 4) = 6 + 2 + 4 = 12
f.
80 - (4 + 7) - (-9 + 7) = 80 - 11 +2 = 93
g.
75 + (-7) - (-6 + 3 + 8) = 75 - 7 - 5 = 63
h.
2 + (7 - 90) - (7 + 4 - 80) = 2 - 83 + 69 = -12
0 votes
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Verified answer
A)75b)91
c)-5
d)112
e)12
f)93
g)63
h)-12
Verified answer
Oii!a. 70 - (4 - 9) = 70 - (-5) = 70+5 = 75
b. 95 + ( -7 + 3) = 95 + (-4) = 95-4 = 91
c. -4 - (-7 + 8) = -4 - (1) = -4-1 = -5
d. 92 - (-5 - 8 - 7) = 92 - (-20) = 92+20 = 112
e. 6 + (7 - 5) + (8 - 4) = 6 + 2 + 4 = 12
f. 80 - (4 + 7) - (-9 + 7) = 80 - 11 +2 = 93
g. 75 + (-7) - (-6 + 3 + 8) = 75 - 7 - 5 = 63
h. 2 + (7 - 90) - (7 + 4 - 80) = 2 - 83 + 69 = -12