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103+{19+2×[216-5×(a×b+1)]}×10=2013 URGENT!!!

Răspuns :

Albatran
{....}*10=2013-103
{......}*10=1910
{.....}=191
19+2[...]=191
2[...]=172
[...]=86
216-5(..)=86
216-86=5(...)
130=5(...)
26=(...)
(...)=26
ab+1=26
ab=25
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