Răspuns:
1=131
2=328,65
Explicație pas cu pas:
1) (6,6-2,3×2,3)×100
1,31×100=131
5,5²+[(21,3-7)×2,09]×10-0,47=
5,5²+(14,3×2,09)×10-0,47=>
5,5²+29,887×10-0,47=>
5,5²+298,87-0,47=>
30,25+298,87-0,47=>
329,12-0,47=328,65
