Răspuns:
x-397.789=268.975
=397.789-268975=128.814
x=128.814
x-496.648=499.864
=499.864-496.648=3216
x=3216
x-364.289=288.965
=364.289-288.965=75.324
x=75.324
x-187.699=598.275
=598.275-187.699=410.576
x=410.576
a-189.297=499.634
=499.634+189.297=688.931
a=688.931
264.769+a=912.103
=912.103-264.769=647.334
a=647.334
548.864=800.005-a
=800.005-548.864=251.141
a=251.141
402.500=176.349+a
=402.500-176.349=226.151
a=226.151
