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e = sqrt(log(5.6));
f = cos(8.4);
g = sin(9.1);
h = log(3.4);
i = log(5.26);
j = log(3.5);
k = e / f + sqrt(g / h);
l = sqrt(i / j);
m = k / l

a = tan(2.4) + sqrt(2 + cos(1.3));
b = (sin(1.6 * pi) - 2 * tan(2.8))^2;
c = exp(-1/4) * (4 + sin(5 * pi));
d = a / b - c