Răspuns :
24-24:3*(72:9-2*3):4*5
24-24:3*(8-6):4*5
24-24:3*2:4*5
24-24:6:4*5
24-4:4*5
24-1*5
24-5
19
unde e * inseamna ,,x"
24-24:3*(8-6):4*5
24-24:3*2:4*5
24-24:6:4*5
24-4:4*5
24-1*5
24-5
19
unde e * inseamna ,,x"
24-24/3*(72/9-2*3)/4*5=1
=24-24/3*(8-6)/4*5
=24-24/3*2/20
=24-24/6/20
=24-4/20
=20/20
=1
=24-24/3*(8-6)/4*5
=24-24/3*2/20
=24-24/6/20
=24-4/20
=20/20
=1