5_klass_matematika_sor№_5_obsheobr_original_2_variant

klass _______ imya, familiya _____________________ data _____ voprosi po matematike dlya 5-go klassa 5-sor 2-variant 1. pryamoy ugol delitsya na dva. odin iz etix uglov na 400 bolshe drugogo. naydite ix gradusnie meri. (4 balla) otvet: _______________________________________________ 2. pervoe zveno lomanoy ravno 20 cm, vtoroe zveno na 7 cm dlinnee pervogo, a trete zveno na 8 cm koroche. naydite dlinu lomanoy.(4 balla) otvet: _______________________________________________ 3. storoni pryamougolnika ravni 18 dm i 22 dm. naydite ploshad kvadrata, perimetr kotorogo raven perimetru pryamougolnika. (5 ballov) otvet: _______________________________________________ 4. plitka imeet formu kvadrata so storonoy 30 sm. skolko tselix plitok potrebuetsya dlya pokritiya steni shirinoy 600 sm i dlinoy 200 ...

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