(-8)=(-2)
calculate the GCD of 240 and 120
0.10*0.90 divided by 50 root 3
1000 $\sqrt{\}$ 324
calculate height of a pyramid
2,1 as a fraction
fully simplify 8n +4-3n+5
2,1 what a fraction
531/8850 as a percentage
-100000-(-11250000)