1 yılda 12 ay vardır her ay 10tl biriktiriyorsa
$\underbrace{OCAK}$,$\underbrace{SUBAT}$,$\underbrace{MART}$,$\underbrace{NİSAN}$,$\underbrace{MAYIS}$,$\underbrace{HAZİRAN}$,
10 + 10 + 10 + 10 + 10 + 10
$\underbrace{TEMMUZ}$,$\underbrace{AĞUSTOS}$,$\underbrace{EYLÜL}$,$\underbrace{EKİM}$,$\underbrace{KASIM}$,$\underbrace{ARALIK}$
10 + 10 + 10 + 10 + 10 + 10