(50×5)−5+(100/4)+(12−9)×3−30
solved (2√5 - 5)² + (3√2+√3)² - (√2-1)²
3g+2=7g-14
27. Divide 1000÷101000 \div 101000÷10.
4e+f=-2, -e-2f=11
200/x+5=200-2x/x
6u=22-5u
x+10=6x
6=2(13+2f)
16x^2+12x+12x+9
