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2014-03-23T15:31:36+02:00
b=193+291=484
a=518-b=32
x=346+173=519.
y=x-236=283
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2014-03-23T15:39:39+02:00
B=291+193 b=484 a+b=518 b=484 a=518-484=34 b-a=484-34=450 x=173+346 x=519 x-y=236
1 5 1