VA ROOG FRUMOS AJUTOR!!!

Răspuns:
a×b
2,33×4,1=9,553
5,5×8,4=46,2
0,22×0,41=0,0902
21,2×44,3=939,16
(a×b)×c
9,553×7,2=68,7716
46,2×3,25=150,15
0,0902×3,2=0,28864
939,16×5,24=4,921
RESTUL FĂ-LE TUUU!!!TI AM DAT EXEMPLU