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теорема пифагора
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2. 3. ? , 30 4. , . ? 5. ; a=3;b=4;c=5 a=6 ; b=8 ; c=10 a=9 ;
b=12 ; c=15 6. (569-475. ) 7. (a+b) = a + 2ab + b (a+b) = 4 0,5ab +
c = 2ab +c } a+ b= c 8. 13 15 9. 6 : 10. : 23 : 3,5 11. ? 10 12. ,
13. 14. 15.
