Răspunsuri

2014-09-28T16:41:29+03:00
a.28-12:3x6=    
28-4x6
28-24=
4

  b.34+9x2-9=      
34+18-9
52-9=
=43


   c.5-(5x2):5=

5-10:5=
5-2
=3
2014-09-28T16:56:02+03:00