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[142x5-(1122:11-707:7)*125]:15:3

Răspuns :

 [142x5-(1122:11-707:7)*125]:15:3==[710-(102-101)*125]:15:3=
=(710-1*125):15:3=
=585:15:3=13
[142x5-(1122:11-707:7)*125]:15:3=[710-(102-101)*125]:15:3=[710-(1*125)]:15:3=(710-125):15:3=585:15:3=39:3=13