va rog ajutati-ma!! Doar exercitiile incercuite inafara de b si c
pls ajutati-ma!!

Răspuns:
Explicație pas cu pas:
a)
15/7+10/7=25/7
d)
⁴⁾68/21+⁷⁾19/12=272/84+133/84= 405⁽³/84⁽³=135/28
e)
35/6-7/6-28⁽²/6⁽²=14/3
f)
77/18-²⁾28/9= 77/18-56/18=21⁽³/18⁽³=7/6
g)
³⁾50/7-⁷⁾14/3=150/21-98/21= 52/21
h)
⁴⁾29/3-³⁾33/4=116/12-99/12= 17/12