Va rog repede dau coroana
![Va Rog Repede Dau Coroana class=](https://ro-static.z-dn.net/files/d25/d0c2de460bb5f55e028c05950893af64.jpg)
a)
X=14,8cm-8,9cm=5,9cm
b)
X=6,7cm+14,8cm=21,5cm
c)
2X/3+x=12,5cm
5X/3=12,5
X=12,5×3/5
X=7,5cm
d)