nazorat ishi-15-1

1-variant 1)ishchilar 720 km yo`lni ta`mirlashmoqda. 1-kuni ular yo`lning 3/5 qismini, 2-kuni yo`lning 2/6 qismini ta`mirlashdi. yo`l qaysi kun ko`proq ta`mirlangn ? 2) kasrlarni taqqoslang 6/8 __6/9 5/8__5/10 2/6__2/6 3/8 __4/8 3) tenglamani yeching (5848 – 2140) : x= 9 x x 30- 586 = 1214 4) 800 kv/cm = ___kv/dm 4000 kv/cm= ___kv/dm 700 kv/dm = ___kv/ m 5) to`g`ri to`rtburchakning bo`yi 4 cm, eni 2 cm. uning bo`yini 2marta orttirib, yuzasini toping va chizing. 6) amallarni bajaring. 7/9 - 4/9= 4/6- 1/6= 4/8 + 3/8= 2/ 9 + 5/9= 2- variant 1)marjona 1-kuni kitobning 4/25 qismini, 2- kuni 9/20 qismini o`qidi. agar kitob 200 betli bo`lsa, marjona qaysi kuni ko`proq kitob o`qigan ? 2)kasrlarni taqqoslang 78 __7/9 9/10 …

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