dau coroana,va roog!!
![Dau Coroanava Roog class=](https://ro-static.z-dn.net/files/d81/29980834e0268110f686e7ab5a898051.jpg)
Răspuns:
a) 12 1
-- =7 --
90 2
b) 12 3
-- = --
100 25
c) 11 2
-- = 1 --
9 9
d) 11 11
-- = --
90 90
sper ca te-am ajutat