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Mrsgrey
@Mrsgrey
January 2020
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2) Calcule
a) 2 elevado a -2+(1/3)elevado a 2
b)5 elevado a 0 -(-1)-(-1/2) elevado a 2
c)7 elevado a -2+35/49
d)1/2-(-1) elevado a 4 -(-1) elevado a 3
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mgs45
A) 2⁻² + (1/3)² =
1/4 + 1/9 =
MMC = 36
(9+4)/36 = 13/36
b) 5⁰ - (-1) - (-1/2)² =
1 + 1 - (1/4) =
2 - 1/4 =
MMC = 4
(8-1)/4 = 7/4
c) 7⁻² + 35/49 =
1/49 + 35/49 =
36/49
d) 1/2 - (-1)⁴ - (-1)³ =
1/2 - (+1) - (-1) =
1/2 - 1 + 1 =
1/2
1 votes
Thanks 8
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Lista de comentários
1/4 + 1/9 =
MMC = 36
(9+4)/36 = 13/36
b) 5⁰ - (-1) - (-1/2)² =
1 + 1 - (1/4) =
2 - 1/4 =
MMC = 4
(8-1)/4 = 7/4
c) 7⁻² + 35/49 =
1/49 + 35/49 =
36/49
d) 1/2 - (-1)⁴ - (-1)³ =
1/2 - (+1) - (-1) =
1/2 - 1 + 1 =
1/2