Ma poate ajuta si pe mn cnv!Dau coroana plsssssss!

Răspuns:
3(⁴⁾1/3+³⁾1/4+1/12)-1=
3·(4/12+3/12+1/12)-1=
3·8/12-1=
24/12-1=
2-1=1
_________
5-(¹⁵⁾1/2+²⁾1/15+1/30)·5=
5-(15/30+2/30+1/30)·5=
5-18/30·5=
5-90/30=
5-3=2