Question

Cine ma poate ajuta????​

Answer 1

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