ii_chet_8_klass_algebra_sor№_4_obsheobr_original_1_variant

klass _______ imya, familiya _________________________data _____ algebra 8 klass sor №4 1-variant 1. sravnite chisla 𝑎 i 𝑏 . (4 balla) 1) 𝑎 − 𝑏 = −1,2 2) 𝑎 − 𝑏 = (−3)4 otvet: _______________________________________________ 2. obe chasti dannogo neravenstva na ukazannoe chislo: (4 balla) 1) −8𝑎 2 i 𝑏 > 5 , to 𝑎𝑏(𝑎2 + 𝑏2) > 270 . (6 ballov) otvet: _______________________________________________ 5. reshite uravnenie: (6 ballov) 1) 26𝑥+4 = 64 2) (0,3)2−3𝑥 = 0,027 otvet: _______________________________________________ summarniy ball uchenika: ____________ proveril prepodavatel: _________________________ ________(podpis) kriterii otsenki № ball otvet deskriptor 1 4 1) 𝑎 𝑏 za kajdoe pravilnoe sravnenie po 2 balla, vsego 4 balla. 2 4 1) −4𝑎 2 za kajdiy pravilniy otvet po 2 balla, …

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