Răspunsuri

2014-07-01T22:49:15+03:00
1)25-3*(37-5*15:25):17=

25-3*(37-75:25):17=

25-3*(37-3):17=

25-3*34:17=

25-3*2=

25-6=19

2)(6x-21+11):2=1+9

(6x-10):2=10

(6x-10)=10*2

6x-10=20

6x=20+10

6x=30

x=30:6

x=5
1 5 1