Bonjour
A = 12 − 6²
A = 12 - 36
A = - 24
B = (-5)²+14
B = 25 + 14
B = 39
C = -3²+3 × (−5)
C = - 9 - 15
C = - 24
D = −2 × (−5) − (−7)²
D = 10 - 49
D = - 39
E = 6 − 6 × 4 sur 6 × 2 − 2
E = 6 - 24/6 x 2 - 2
E = 6 - 4 x 2 - 2
E = 6 - 8 - 2
E = - 4
F = 2- -18 sur -3 +6
F = 2 - 6 + 6
F = 2.