АЛГЕБРА 7 КЛАСС

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. 7 . . . . . , 445057, -, 25 . (8482) 34-51-41 (8482) 4074-56. - PowerPoint PPT Presentation

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  • . . 7

  • , 445057, -, 25. (8482) 34-51-41 (8482) 4074-56

  • ,

    , , , , ,

  • , . , , , , - ,

  • 7 - 2 - 4 = 1;5 = 5;=1;: =1; =6.

  • () - : =; = .

  • 7 - 1=2+4,7 - 2=4+1,5=5,=1.: (1; 6)

  • () ( ) , : =; = .

  • ||(-3)+____________: (3; - 10)

  • () - : , - : =; = .

  • y=10 - xy=x+2 =+2 =10 - : (4; 6)

  • () : =; = , (; )

  • -80 = 76 - 217 = 42 - 34 = 8= 16 - 2(-9) = 6 + 18 = 24= 7(-9) - 117 = - 63 -17= -80 - x, - - y, - x==248=3;=y=8= -10. : =3; = -10.

  • () () . - x, . - y, . x / . y / . : =; = .

  • **