+ 13 Efectuați: a [(32)5:37 - 3° - 3].4:34 +22; b (123+222 +267:22?): (123 +224 : 2 +(25)° ); c(254):(42 +32)11 - (02020 + 12012 +2013)?; d (3.3+2":242 +(35):329 +9°]:31; e (2 +92 +59 +362):(0 + 4° +34 +258 +64).
ma ajuta cineva dau coroana !​