| 4x-3x*(2x+2)= | 4x-6x^2-6x=-6x^2-2x |
| (-5+7)^2:0.5= | 2^2:0.5=4:0.5=8 |
| (12*4+7):11= | (48+7):11=55:11=5 |
| 4^2:2*3+1= | 16:2*3+1=8*3+1=24+1=25 |
| 40-(5^2-5):10= | 40-(25-5):10=40-20:10=40-2=38 |
| 3x*4x-x*3x-1= | 12x^2-3x^2-1=9x^2-1 |
| 35:7-3*5+3^2= | 5-15+9=-10+9=-1 |
| -2*(-x*4x:2-2^2x)= | -2*(-2x^2-4x)=4x^2+8x |
| 6-(6*5(8-6:3))= | 6-(30(8-2))=6-(30*6)=6-180=-174 |
| (1+0.5)^2-4:16= | 1.5^2-0.25=2.25-0.25=2 |
| 3^2*4^2:(2*3)-10= | 9*16:6-10=144:6-10=24-10=14 |
| 5^2-3^2+2^2:2= | 25-9+4:2=16+2=18 |