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2/r = I // - I
2/r-I = 0
2*r^-1-I = 0
x należy do R
x in (-oo:+oo)
| 0.9x-2.1+0.9=0.2(5-2) | | (y*y)+6y-2x+5=0 | | 4(3x-2)=2(2x-5)+20 | | k+90=180 | | 8(4s+5)=392 | | 4(x-2)-(3-8x)=11x | | 2(5-3/4x) | | 20-12k=20-4k | | 1+1x-1=2x+1 | | 4z+4-z=9+2z+5 | | 3(2l+2)=12 | | 4b+13=-77-2b | | 2k+90=360 | | 2(3.14)15= | | 9a+1=100+6a | | f(-7)=x^2-2x+5 | | 27x^4-75=0 | | -49m-8=62 | | 7h+5=2h-60 | | x^2-13x-30=y | | 5/8=x/(2/5) | | 6z-3=7z-2z | | 2k-90=180 | | 9x=-27+72 | | 6m-8=15m+10 | | -8=1/5[n-7] | | -2(x+10)=2(5-2x)+5 | | 2k+90=180 | | 157.5=(250)(0.07)(r) | | b+7=2 | | 2=x-54166/(10200) | | 1+4+x=2+3 |