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itamarovieira2
@itamarovieira2
March 2022
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resolva as expressões:
a) (-9)²-5.16
b) -16:16.-1
c) (-3)²:(1-0,8)-(2,2)²
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emicosonia
Resolva as expressões:
a) (-9)²-5.16
(-9)² - 5.16
(-)(-)81 - 80
+ 81 - 80 = 1
b) -16:16.-1
- 1 . -1 = (-)(-) 1.1 = + 1
c) (-3)²:(1-0,8)-(2,2)²
(-)(-)9 : (0,2) - (4,84)
+ 9 : (0,2) - 4,84 =
45 - 4,84 = 40,16
1 votes
Thanks 1
araujo1948
A) 81-80=1
B)-16/16 -1
-1-1=-2
C)9/0,2-4,84
45-4,84=40,16
0 votes
Thanks 0
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Lista de comentários
a) (-9)²-5.16
(-9)² - 5.16
(-)(-)81 - 80
+ 81 - 80 = 1
b) -16:16.-1
- 1 . -1 = (-)(-) 1.1 = + 1
c) (-3)²:(1-0,8)-(2,2)²
(-)(-)9 : (0,2) - (4,84)
+ 9 : (0,2) - 4,84 =
45 - 4,84 = 40,16
B)-16/16 -1
-1-1=-2
C)9/0,2-4,84
45-4,84=40,16