Question

(2,07 - 7,005) - (12,005 - 4,23) 

Answer 1

=2,07-7,005-12,005+4,23

=6,3-19,01

=-12,71

Answer 2

\(\left(2,07-7,005\right)-\left(12,005-4,23\right)\\ =-4,935-7,775\\ =-4,935+\left(-7,775\right)\\ =-12,71\)