-5 + (7 \times 9)
x+y=5
-3 \times \{10 - 3 + 5\}=
3.56721
give me a 1000 digits of $\pi$
positive square root of 2 to the power of 4 times 5 to the power of 2
6ab ( 2a + b² )
32b-5b(6ba + 7xy5)'
resolve 11-3x/(x-1)(x+3) into patial fraction
5b^3a + 25a - 2a^3b
