3×-2×-5×6
$\sqrt{\frac{9^{3}}{25}}$
30÷1/3×3=
375/6250
\(\sqrt[]{\frac{8^{4}\div 6,9}{54}}\)
5.7 + 10.15 + 12.16 + 10.22 + 24.23 + 31.36
288/2538*100
n $\sqrt{n}$ + (n+2)$\sqrt{n+1}$
If f(x)=5^x, then prove that f(m+n)=f(m).(n)
divide the sum of 5a and 7b by 3c
