ii_chet_8_klass_algebra_sor№_4_obsheobr_original_2_variant

klass _______ imya, familiya _________________________data _____ algebra 8 klass sor №4 2-variant 1. sravnite chisla 𝑎 i 𝑏 . (4 balla) 1) 𝑎 − 𝑏 = 0,12 2) 𝑎 − 𝑏 = (−5)3 otvet: _______________________________________________ 2. obe chasti dannogo neravenstva na ukazannoe chislo: (4 balla) 1) −12𝑎 3 i 𝑏 > 4 , to (𝑎 + 𝑏)(𝑎3 + 𝑏2) > 300 . (6 ballov) otvet: _______________________________________________ 5. reshite uravnenie: (6 ballov) 1) 3−2𝑥+7 = 81 2) (0,2)5−2𝑥 = 0,008 otvet: _______________________________________________ summarniy ball uchenika: ____________ proveril prepodavatel: _________________________ ________(podpis) kriterii otsenki № ball otvet deskriptor 1 4 1) 𝑎 > 𝑏; 2) 𝑎 −20𝑏; 2) 4𝑎 7 , 1 ball; 2) napishet 𝑎 > 7 i naxodit 𝑏 > 14 …

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