Question

Ex.9 pag.15
Calculati:
a) [3,8(3)-2,(54)*11\28/2,(3);
b)123456,789*8+0,009-(12345,678*80+0,09).

Answer 1

[(383-38)/90-(245-2)/99*11/28]:21/9
(345/90-243/99.11/28):7/3=
(23/6-27/28).3/7=(23.14-27.3)/84.3/7=
241/84.3/7=241/7
sper sa fie corect redactat.dar sa stii ca nu gasesti pe multi care sa intrebe de atatea ori ca sa fie siguri.nu iti rezolva.sa scrii corect 
123456,789x8+0,009-12345,678x80-0,09=123456,789X8+0,009-123456,78x8-0,09=
987654,312-987654,24-0,081=0,072+0,081=0,153