January 2021 0 63 Report
Bonjour pouvez vous m'aider svp ? Il faut developper et reduire. A = 2 [ 2 - ( 4 + a ) ( 3 - b ) ] + 5 ( 4a - 2 ) ( 2b + 3 )

B= 2 - [ 3 - 2 ( a - 4 ) ( 5 + b ) ] + ( 2 - 3a) ( 5 - b )

C = 4 - 5a [2 - ( 3b + 3 ) ] - 6 ( 3b - a )

D = 7 - 2 ( 3 - 2a ) ( 4 - 2b ) - 2 [ 3 - 2 ( 3 - a ) ( b + 1 ) ]


merci d'avance
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