kvadrat tenglama

krestiki-noliki po algebre 8 klass/krestiki - noliki po algebre.ppsx0 krestiki-noliki x x x x 0 0 0 0 0 0 0 x x x x x x 0 0 x avtor: popova svetlana vladimirovna, uchitel matematiki, mou «sosh №23», g. vorkuti, respubliki komi 0 x 0 x 0 x x 0 1 2 3 4 a b v g 0 x 0 x 0 x x 0 4x - 7x - 2 = 0 2 x =- 1 x =2 2 1 __ 4 reshite uravnenie 0 x 0 x 0 x x 0 (x - 3)(x + 3) = 5x - 13 x =6 1 x =9 2 reshite uravnenie 0 x 0 x 0 x x 0 3x …

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