Question

-3+{[-(3/10-0,7)+(-7/5-6)]-(4/5-2)} va rog si cu rezolvare dau maximul de puncte 44

Answer 1

-3+{[-(3/10-0,7)+(-7/5-6)]-(4/5-2)} =
= - 3 + {[  - (3/10 - 7/10) + ( -7/5 - 30 /5)]-(4/5 - 10/5)}=
= -3 + [( +4/10 - 37/5 ) - 6/5]=
=- 3 +( 2/5-37/5 -6/5)=
= - 3 + 29/5=
= - 15/5 +26/5=
=14/5=
=2 intregi si 4/5