Hmm :) głupie takie z nawiasami .. ;/ .
Rozwiąż równanie:
1/2* 1/3*1/4*1/5*1/6*1/7*1/8*(1/9x + 8/9) + 7/8+6/7+5/6 +4/5+3/4+2/3+1/2=
1/2* 1/3*1/4*1/5*1/6*1/7*1/8*(1x) + 7/8+6/7+5/6 +4/5+3/4+2/3+1/2=
= 1/40320 *1x+ tu musi byc ten sam mianowni ..
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1/2* 1/3*1/4*1/5*1/6*1/7*1/8*(1/9x + 8/9) + 7/8+6/7+5/6 +4/5+3/4+2/3+1/2=
1/2* 1/3*1/4*1/5*1/6*1/7*1/8*(1x) + 7/8+6/7+5/6 +4/5+3/4+2/3+1/2=
= 1/40320 *1x+ tu musi byc ten sam mianowni ..