Question

обчислить удобным способом

Answer 1

(57³-43³)/14+57*47=(57-43)*(57²+57*43+43²)/14+57*43=

14*(57²+57*43+43²)/14+57*43=57²+57*43+43²+57*43=

=57²+2*57*43+43²=(57+43)²=100²=10000=10⁴.

Answer 2

=(57-43)(57²+57*43+43²)/14+57*43=14*(57²+57*43+43²)/14+57*43=57²+57*43+57*43+43²

=57²+2*57*43+43²=(57+43)²=100²=10000