Question

5 supra 6 impartit paranteza 5 supra 7 minus 1 supra 3 inchid paranteza plus deschid paranteza 4 supra 9 -2 inchid paranteza impartit la 7 pe 6

Answer 1

cred ca am lucrat bine.Sunt obosita.spet ca te am ajutat

Answer 2

Nu sunt sigur de răspuns.
5/6:(5/7-1/3)+(4/9-2):7/6=
=5/6:(15/21-7/21)+(4/9-18/9):7/6
=5/6:8/21-14/9:7/6
=5/6*21/8-14/9*6/7
=105/48-84/63
=15/4-7/9
=135/36-28/36
=107/36=2,97