Răspuns:
=[(-3/5)·(25/10)⁽⁵+5/6]:(28/42)⁽¹⁴+11/10+1/10·9]
=[(-3/5)·5/2+5/6]:2/3+11/10+9/10]
=[³⁾(-3/2)+5/6]·3/2+11/10+9/10]
=[(-9/6)+5/6]·3/2+11/10+9/10]
=[(-4/6)·3/2+11/10+9/10]
=[¹⁰⁾(-1)+11/10+9/10]
= [(-10/10)+11/10+9/10]
=10/10
=1
