Ex 9 repede va rog dau coroana.............

Ana : 312 + 199 = 511 ( corect )
Radu : 1000 - 113 = 887 ( corect )
Ioana : 27 × 16 = 432 , nu 332 ( gresit )
Matei : 522 : 9 = 58 ( corect )
C) Ioana a gresit.