Calculati:
13,5+2,7-6,8=
5,23-2,23+14,9=
81,43+18,57-23,64=
456,258-208,208+54,65=
18,3458-6,0059+10,203=
79-23,503-4,8563+1,8=


Răspuns :

13,5+2,7-6,8=9.4
5,23-2,23+14,9=17.9
81,43+18,57-23,64=76.36
456,258-208,208+54,65=5713.05
18,3458-6,0059+10,203=22.5429
79-23,503-4,8563+1,8=52.4407