Question

13,76 - 5,13b + 8,6 +4,13b - 4,72 при b=5,1

Answer 1

=(13,76+8,6-4,72)+(-5,13b+4,13b)=17,64-b = 17,64-5,1 = 12,54

Answer 2

=13,76-в+8,6-4,72=13,76-5,1+8,6-4,72=12,54