5, 10, 15, 20, 25 - пятью нулями
<span>2,5 (3,6-x) = 2,4(5,2-x)
2,5*3,6 -2,5х = 2,4*5,2 -2,4х
9-2,5х = 12,48-2,4х
-2,5х+2,4х=12,48-9
-0,1х=3,48
х= 3,48:(-0,1)
х= - 34,8
</span>
<span>д)51
е)6, 12, 18, 24, 30, 36, 42, 48, 54, 60,66, 72,78,84,90,96
ж)12,24,36,48,60,72,84,96
з)100
</span>