x(n):=sum(x[i],i,1,n)$

(x(1  )/10+1)*2;
(x(10 )/10+1)*2;
(x(100)/10+1)*2;
max(1/10,sin((((a/b+1)/c+1)/d+1)/e));
sin(a/(b+sin(c+1/(1+d/(1+e/(1+f/(1+g/h)))))));

wecew;

sin(x/a+sin(x/a+sin(x/a+sin(x/a+sin(x/a+sin(x/a+sin(x/a+sin(x/a+sin(x/a+sin(x/a))))))))));

a;sin(a/(b+c/(d+e/f))+qdqwldwqkldkqwlk+wqwqlwqlkdkdlcs+wqqdlqqwlk+wdwqdqwqwlklwqkl+qwfwqflwfqkqwlkwqföl+wqldkwqwlkö+aklsalcakclksa+sqlkqklwqxxqwlxwklq+aslasxklxksxlö);b;