9x²-4=0
0,64-y²=0
4x²-2x=0
5x²-20=0
z²-7=0
3x-2x²=0
y²-[tex] \frac {16}{49} [/tex]=0
11-z²=0
-5x²+75=0
0,2x-5x²=0
0,64-y²=0
4x²-2x=0
5x²-20=0
z²-7=0
3x-2x²=0
y²-[tex] \frac {16}{49} [/tex]=0
11-z²=0
-5x²+75=0
0,2x-5x²=0
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Answers & Comments
2. х=-0.8; 0.8
3. у= 0;
4. х= 2; -2
5. z= -
6. х= 0;
7. у=
8. z=-
9. х=-
10. х=0;