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46;45;241;630;0;0
23;45;241;630;0;0
(1*(2/9))/5 = 1/7
3*cos(pi/4)
7*x^2
| x-(x-3)*(x+5)=2*x+3 | | -6x+8=2x(-4) | | 3(-2b+6)=54 | | X-7+43=180 | | logx+427=3 | | 4.1x-19.61=5.4 | | 48z=12 | | .8*(4p+5)=4(.5p-2) | | 12y+3-9y=-15 | | 40x+1.5x(6)+2x(4)=627 | | 4m+5n+6m+7n= | | 14n+12-5n=-6 | | 15y-5=0 | | 2x+14=x^2+25 | | -4p+7=5p+11 | | 6x-5(4x+8)=-110 | | 8x-8+k=10 | | 16k+23=6k+13 | | -4x+16=4x | | z=2x+5y-3 | | 50*20a+5=5*20a+8 | | h^2+14h=-45 | | 6/12=x/10 | | -4x-3=6x-9 | | (47.4)(4.20)+(X*0)=(4.20+X)3.95 | | 10*4a+1=1*4a+2 | | (x^2+y^2)dx+2xy*dy=0 | | 9(5x+1)=2x-8x | | 2/9*1/5=1/7 | | 17x-3=12x-8 | | 1/2*a=2 | | -3=m/-5 |