Question

8. Aflaţi rezultatul calculului {[1,(3)]+0,2(6) • 1,5}: 2,8. va rog frumos!!​

Answer 1

[1,(3)+0,2(6)×1,5]:2,8=

=[(13-1)/9+(26-2)/90×15/10]:28/10=

=(12/9+24/90×3/2):14/5=

=(4/3+4/15×3/2):14/5=

=(4/3+2/5):14/5=

=(20/15+6/15):14/5=

=26/15:14/5=

=26/15×5/14=13/21