А=20000, B=140000, C=230000, D=290000, E=40000, F=450000
A+D=20000+290000=310000
E+B=400000+140000=540000
F-B=450000-140000=310000
D-C=290000-230000=60000
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А=20000, B=140000, C=230000, D=290000, E=40000, F=450000
A+D=20000+290000=310000
E+B=400000+140000=540000
F-B=450000-140000=310000
D-C=290000-230000=60000