Sagot :
A= 23x9+4= 207+4 = 211
B= 4*[130-(5x12)]:2= 4*(130-60):2 = 4*70:2 = 4*35 = 140
C= 80-5x2 = 80-10 = 70
B= 4*[130-(5x12)]:2= 4*(130-60):2 = 4*70:2 = 4*35 = 140
C= 80-5x2 = 80-10 = 70