Ответ:

[tex]22,5\\39[/tex]

Объяснение:

[tex]1.\\\\13,02+12,5-3,02=13,02-3,02+12,5=10+12,5=22,5\\\\2.\\\\4\frac{5}{13}+8\frac{7}{15}+11\frac{8}{13}+14\frac{8}{15}=4\frac{5}{13}+11\frac{8}{13}+8\frac{7}{15}+14\frac{8}{15}=15\frac{13}{13}+22\frac{15}{15}=16+23=39[/tex]