2x-3/2x+1=3x+1/3x-1
120*2 divided by 10+36
450*1+250
36+9*6
48+27-9
apprriciapprriciapproximate the value 840.0003/23.999
convert 25 to binary
19+3-28 divided by 7
5x+2x−3+4:
write the roman numerals of five hundred
