45-2.1×4.1+32
2/3+3/4
567 rounded to nearest 20
2/3ab^2-[(1/2a^2b)+(-3/4a^2b)-(+1/2a^2b)]+ab^2-3/2a^2b
3x-8x+ 4
fully factorise
6x+24y+30z
what is 2:6 ratio simplified
6x+1-x=21
6 1/6+1/4
15x divided by 5xy
