12:3*2=8 км пройшов спортсмен
__________________________________________
<span> </span>
<span><span>250600 : 70= 3580</span></span>
<span><span> <span>497696 : 824= 604</span></span></span>
<span><span><span> 3580+ 604 = 4184</span></span></span>
<span><span><span> 43076*709=30540884</span></span></span>
<span><span><span>9083* 4184= 38003272</span></span></span>
<span><span><span> 30540884 +7489116=38030000</span></span></span>
38030000 - 38003272 =26728 - ОТВЕТ