Răspunsuri

2014-01-22T15:03:14+02:00
A) 20:2-5x(25-25)=
10-5x0=10
B) (63-40)-3= 23-3= 20
2014-01-22T15:05:30+02:00

a)(8+12):2-5x(25-5x5)=20:2-5x(25-25)=10-5x0=10-0=10 // b) (7x9-8x5)-9:3=(63-40)-3=23-3=20