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2*ln(t)
(3*(5/1))/10
(3*5)/10
3.14*81*(1/3)
3.14*18*(1/3)
| 7+3(y-6)=18 | | 4x-12-2x=-18+x+6 | | 3q^2+3q=2q^2-3q+27 | | 42x^3-49x^2+30x-35=0 | | 5(v-3)-8=15 | | 3u/4-12 | | (px+q)(4x-3)=8x^2-2x+r | | -x+1-x=1-x+1 | | .1X=1.2-.3X | | 5/1x3/10 | | 300x-100=x^2 | | 5/1x3:10 | | 5/1*3/10 | | x+y+2z=-2 | | 2x-8=54 | | 5*3/10 | | 7y+3=9y-2 | | 21x-7y=-42 | | C-0.08c=162 | | -7x+4=-25 | | 2y+4z=2 | | f=(1.8)+32 | | 2x+0.4(-1)=0.4 | | 2(-1)+0.4y=0.4 | | 2e+3=23 | | 25x+5y=1200 | | 4x^4=4x | | -51.9-5.18=x | | N/3-10=72 | | 6x^2-16x+8= | | -7(d-12)=-21 | | =9(2)-9 |