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ex 26 plz dau coroana

Ex 26 Plz Dau Coroana class=

Răspuns :

26.1. Mod.
24x32=768
45x28=1260
(1260+768)-(15x32)-(27x28)=
2028-480-756=792 (piese ramase)
2. Mod.
24-15=9
45-27=18
(9x32)+(18x28)=
288+504=
792piese ramase