7-sonli umumiy o’rta maktabi sinf o’quvchisi
Tekshirdi X.A.Mamatqulova
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5-sinf matematikadan nazorat ishi daftari
Tekshirdi X.A.Mamatqulova 6-nazorat ishi
Sana ––––––––––––––––––––––––––––– To’g’ri to’rtburchakning eni 13 dm 5cm, bo’yi esa enidan 3 marta uzun bo’lsa, uning yuzini toping. To’g’ri to’rtburchakning tomonlari 4 mm va 2 cm bo’lsa, perimetrini toping. Fudbol maydonining bo’yi 110 m, eni esa 75 m gat eng. Fudbol maydonining yuzini hisoblang. Bitta kichkina kvadratchaning yuzi 1 dm2 ga teng ekanligini ma’lum bo’lsa, rasmdagi shakllarning yuzini va perimetrini toping.
To’g’ri to’rtburchakning yuzini va perimetrini formulasini yozing. Javoblari 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