1)(40:5+16):a=9:3 (8+16):a=3 24:a=3 a=24:3 a=8 3) (40:c+16):8=9:3 (40:c+16):8=3 40:c+16=3x8 40:c+16=24 40:c=24-16 40:c=8 c=40:8 c=5 4)(e-64:8+6x4):5=5 e-8+24=5x5 e-8+24=25 e-8=25-24 e-8=1 e=1+8 e=9 5)(d:5+16):8=9:3 (d:5+16):8=3 d:5+16=3x8 d:5+16=24 d:5=24-16 d:5=8 d=8x5 d=40 6)(9-64:8+6xf):5=5 (9-8+6xf)=5x5 1+6xf=25 6xf=25-1 6xf=24 f=24:6 f=4 7)(9-64:g+6x4):5=5 9-64:g+24=5x5 9-64:g+24=25 9-64:g=25-24 9-64:g=1 64:g=9-1 64:g=8 g=64:8 g=8 8)(9-64:8+6x4):h=5 (9-8+24):h=5 (1+24):h=5 25:h=5 h=25:5 h=5 Mult succes la scoală la ex2 ai uitat să pui o cifră după împărțire si de aceea nu l - am rezolvat