Question

spunetimi si mie 7 supra6 + 8 supra3- 2:1supra 12

Answer 1

7/6+8/3-2:(1/12)= (daca 2 este impartit la 1/12)
=7/6+16/6-2·12=
=23/6-24=(23-6·24)/6=
=(23-144)/6=
=-121/6

7/6+8/3-(2:1)/12= (daca 2:1 reprezinta numaratorul fractiei cu numitorul 12)
=7/6+16/6-2/12=
=23/16-1/6=22/6=11/3