👤
Salti666
a fost răspuns

(3+1supra13):(-32 supra 26)-(-9supra14)ori(+21supra27)
Vreau rezolvari complete dau corontia!!!

Răspuns :

Renatemambouko
(3+1/13):(-32/26)-(-9/14) × (+21/27) =
=(3*13+1)/13:(-16/13)-(-9/14) × (+7/9) =
=40/13 ×(-13/16)-(-1/2) =
=-40/16+1/2=
=-10/4+1/2=
=(-10+2)/4=
=-8/4=-2