Bonjour , simplifier l écriture des expressions littérales suivantes : A = 9 * a + 6 * b =
B = 4 * a * b =
c = a + b + a * b =
D = a * ( b + c ) * ( x + y ) =
E = 3 * 5 * a * b =
F = ( a + b ) * a - b =
B = 4 * a * b =
c = a + b + a * b =
D = a * ( b + c ) * ( x + y ) =
E = 3 * 5 * a * b =
F = ( a + b ) * a - b =
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