Последовательность задана рекуррентно:

\(\displaystyle a_1=30{\small,} \) \(\displaystyle a_{n+1}=a_{n}-10\) при \(\displaystyle n\geqslant1{\small.} \)

Выпишите первые \(\displaystyle 5\) членов последовательности.

\(\displaystyle a_1=\)[ ]\(\displaystyle {\small,}\) \(\displaystyle a_2=\)[ ]\(\displaystyle {\small,}\) \(\displaystyle a_3=\)[ ]\(\displaystyle {\small,}\) \(\displaystyle a_4=\)[ ]\(\displaystyle a_5=\)[ ]\(\displaystyle {\small.}\)