Răspunsuri

2014-09-17T16:56:54+03:00
25 - [27 : (12 - 9 : 3) + 42 : 7 * 3] = 25 - [27 : (12 - 3) + 6 * 3] = 25 - (27 : 9 + 18) = 25 - (3 + 18) = 25 - 21 = 4
2014-09-17T16:59:46+03:00
25-[27:(12-9:3)+42:7*3]=

25-[27:(12-3)+6*3]=

25-(27:9+6*3)=

25-(3+18)=

25-21= 4