<span><span><span>х
– ежегодный платёж<span>, а </span>=
9930000 - кредит</span></span></span>
<span><span><span /></span><span>
после
первого платежа:<span>
1,1а
- х
</span></span></span>
<span><span><span /></span><span>
после
второго платежа:<span><span>1,1 × (1,1а – х) – х = 1,121 ×<span> а – 2,1х</span></span></span></span></span>
<span><span><span><span><span>
после
третьего платежа:
<span>1,1 × (1,121 × а – 2,1х) – х = 1,331а – 3,31х = 0</span></span></span></span></span></span>
<span><span><span><span><span><span /></span></span></span></span></span><span><span><span /></span>1,331а
– 3,31х = 0 </span>
<span><span>
х=(1,331*9930000)/3,31=3993000
</span></span>