2^9 + 10 = 2^9 + 2 • 5 = 2 • ( 2^8 + 5 )
18 = 2 • 9
( 2 • ( 2^8 + 5 )) : ( 2 • 9 ) = ( 2^8 + 5 ) : 9
10\2 = 5 - число единиц.
15, 25, 35, 45, 55, 65, 75, 85, 95
25113:3 + 36985:5 = 8371 + 7397 = 15 768
<span>(568972-559423) × 14 : 7 = 9549 * 2 = 19 098
</span><span>256897 + 3564 × 25 : 10 = 256897 + 8910 = 265 807
15 768 < 19 098 < 265 807 </span>