(53+54+64+74+70+66+59+66+65+66+66+61+63+70+66+59+61+63+63+68+72+71+71+58+63+61+63+66+66+[52+45]+57+51+52+54+53+49+47+48+54+51+50+5...
$\sqrt{\Box}$ 2
Solve the unknown variable x, for the following equations 4^2x-7=5^3x-8
$\sqrt{\}$ 3
-5p x (-3q) x (-2r)
2000 - 46.8
9e(2f-3)
inverse of an equation T(ax^2+bx+c)=(5a+b)x^2+(-4a-3b+c)x-a
5.32(1.6-x)(-x)=(0.6+2x)^2
