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490/63 = 140/27
70/9 = 140/27
L <> R
| (12+2x)x(5+2x)=110 | | (12+2x)+(5+2x)=110 | | (12+2x)+(5+2x)= | | 181=106-u | | 9/12=2/7 | | 0.76/4=h | | 3x+8=7x+3 | | 16-10j=76 | | 3x+3y+2y= | | 2.53+12.9d=-11.1d+6.61+12.72 | | 2x^2+9x+4=(2x+1) | | -1(6x+1)+2(3-x)=x | | (4x-6)(x-9)= | | 10w-3w=42 | | 10-x=11+x | | sin8x/sinx | | 4(3a+1)=11(a+1) | | 2x+3=15(findx) | | 9x+1=6(x+10) | | 2x+3y=15(findx) | | 6/(x^2-36)0 | | 4cos^2x-4*cosx-1=0 | | 4-7z=-6-2z | | 180/240=250/290 | | 8+2=16101 | | 6-x/42 | | =9-9(b-7) | | 2005=943 | | -4=-3m+8 | | 6(w-2)+5=4w-35x+2x-3 | | ax^3+bx^2-c= | | 5g+10= |