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2014-10-11T21:49:15+02:00
A = 35 - ( 4x7 -7)
a = 35 -(28-7)
a = 35 - (21)
a = 35-21
a = 14
2014-10-11T21:50:28+02:00
Résoudre 
A = 35 - [4 x (5 + 2) - 7]
A = 35 - ((4 x 7) - 7)
A = 35 - (28 - 7)
A = 35 - (21)
A = 14