\(3,475+\left(-6,19\right)+\left(-3,475\right)\\ =\left[3,475+\left(-3,475\right)\right]+\left(-6,19\right)\\ =0+\left(-6,19\right)\\ =-6,19\)
= 3, 475+(-6,19) - 3,475
= (3,475- 3,475) + (-6,19)
= 0+ (-6,19)
=6,19
= [3,475 + (-3,475)] + (-6.19)
= 0 + (-6,19)
= -6,19