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816/42
1989;357
500200;610
397;76
5/0
| 5+3(x-1)=1-6(x-4) | | 5f+2g= | | 7x-4y=9fory | | [X+12]=25 | | 1/3x(9/4x12)-2 | | 3/12=1/x | | x=180+(-3y) | | 3x+11=51-x | | 2x^2+14x-1040=0 | | 3x-29=6x-7 | | 6.2*3.1= | | 13x-19=17+5 | | -5y-11=2y+10 | | x-3x+4= | | 8x-4-5x=(-31) | | 0.4x-0.3y=9 | | 1/3÷1/9 | | 7(Y^2)+72X=0 | | 4x-7=5-2y | | 6=7-2/3 | | 42n=14 | | 12y=-3x+180 | | x-6/2=-5 | | 14b^2-20b/18b | | 1/3(x-9)=-23 | | -3=45 | | 3x+12y=180 | | -99=-99 | | 0.5f+1=7+4.5f | | d=t^2*0.25 | | -45x=5y(x) | | -1/3/q-7=-3 |