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1511;1372
15*(1/2)*(b+15+15) = 0;b
b
(x^2-R^2)^0.5
1511;139
3010;14
| z+13=29 | | 6r-8=3(2r+2) | | 7(4x+8)=28x-4 | | 4x+15=7x+25 | | 5000=4650(1+.005t) | | y=log1/5(3x) | | 11y=20+7y | | 3x-10-x=0 | | 5x-18+84=180 | | -104=-8(1-2v) | | (p-7)(p-3)=0 | | 5n-4=13n | | x^2/2-3/4=5 | | 8(1+6b)+8=-272 | | z/11=1 | | 5+9m=10m | | -7(-4p+8)=-84 | | 0=-3/2-9 | | -a=-28 | | -7(3x-5)+1=-21x+36 | | 8x^6-38x^4-10x^2=0 | | -2c-3c=-75 | | 10q=8+6q | | p^2=59 | | 2f+8f=270 | | X-1/3=1-2X/3 | | 6/8×x/12 | | x+x+y+40=180 | | -6x-117=15 | | 6/8×12/x | | -x-x=-50 | | X+20=6x+40 |