bonjour
K = ( 9/2) ⁻¹ + 3 ⁻²
= 2/9 + 1/9 = 3 /9 = 1 /3
L = [ ( - 4/5)⁻² - 2016 ⁰]
= 25/16 - 1
= 25/16 - 16/16
= 9/16
M = [(4/3)⁻² - 5 * 4⁻²] ⁻¹
= ( 9/16 - 5/16 ) ⁻¹
= (4/16 ) ⁻¹
= ( 1/4) ⁻¹
= 4
N = ( - 3 ) ⁻² + ( - 3 ) ² sur ( - 3 ) ⁻³ - ( - 3 ) ⁻²
= 1/9 +9 sur - 1/27 - 1/9
= 1/9 + 81/9 sur - 1/27 - 3/27
= 82/9 sur - 4 /27
= 82/9 x - 27/4
= 2214/36 = 123/2
P = ( 4 ⁰ - 2/7 ) : ( 7/2) ⁻¹ - 1
= ( 1 - 2/7) : ( 2/7 - 7/7 )
= ( 7/7 - 2/7 ) ; ( - 5/7)
= 5/7 : - 5/7
= 5/7 x - 7/5
= - 35 /35 = - 1
volià pour une partie
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bonjour
K = ( 9/2) ⁻¹ + 3 ⁻²
= 2/9 + 1/9 = 3 /9 = 1 /3
L = [ ( - 4/5)⁻² - 2016 ⁰]
= 25/16 - 1
= 25/16 - 16/16
= 9/16
M = [(4/3)⁻² - 5 * 4⁻²] ⁻¹
= ( 9/16 - 5/16 ) ⁻¹
= (4/16 ) ⁻¹
= ( 1/4) ⁻¹
= 4
N = ( - 3 ) ⁻² + ( - 3 ) ² sur ( - 3 ) ⁻³ - ( - 3 ) ⁻²
= 1/9 +9 sur - 1/27 - 1/9
= 1/9 + 81/9 sur - 1/27 - 3/27
= 82/9 sur - 4 /27
= 82/9 x - 27/4
= 2214/36 = 123/2
P = ( 4 ⁰ - 2/7 ) : ( 7/2) ⁻¹ - 1
= ( 1 - 2/7) : ( 2/7 - 7/7 )
= ( 7/7 - 2/7 ) ; ( - 5/7)
= 5/7 : - 5/7
= 5/7 x - 7/5
= - 35 /35 = - 1
volià pour une partie