Ex. 10 plizzzzzz dau coroana.
Urgent!!!!!!!!!

Răspuns:
a)(7+4)/13
b)(11+2)/15
c)(13-7)/18
d)(22-13)/35
e)(7×3)/(12×14)
f)(15×7)/(7×9)
g)(2×9)/(3×8)
h)12/(5×6)