Question

(1а- 1b+c):(1/а+1/b+c) при а= -0,002 b=0,52 с=0,5

Answer 1

b-a+cab/ab/b+a+cab/ab
b-a+cab/ab/ab/b+a+cab
b-a+cab/b+a+cab
0,52+0,002+0,5х(-0,002х0,52)/ 0,52-0,002+0,5х(-0,002х0,52)=
=0,52+0,002+(-0,00052)/0,52-0,002+(-0,0052)=
= 0,52148/0,5128≈1,02