Ответ:\(b^{24+20}=b^{44}\);\(b^{64-60}=b^4\);\(b^{108+100}=b^{208}\);\(b^{90-80}=b^{10}\);\(b^{21+25}=b^{46}\);\(b^{42-40}=b^2\).Жауабы: 1) b⁴⁴; 2) b⁴; 3) b²⁰⁸; 4) b¹⁰; 5) b⁴⁶; 6) b².