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I poyezd 4 soatda 336 km, avtobus 3 soatda 126 km yo’l bosdi. Avtobusning tezligi poyezd tezligidan necha marta kam? Yechish
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| bet | 86/91 | | Sana | 02.04.2021 | | Hajmi | 2,4 Mb. | | #13942 |
4 - nazorat ishi
I variant
1. Uchburchakning юzi 30 . Agar AB = 10 sm, bo‘lsa, AC tomonini toping.
2. CDM uchburchakda CD = 10 sm, , bo‘lsa, CM tomonini toping.
3. ABC uchburchakda BC = 0,5 sm, AB = 0,6 sm, . Bu uchburchakning AC tomonini toping.
4.Vektorlarning skalyar ko‘paymasi va ular orasidagi burchakni toping:
va .
II variant
1. Uchburchakning yuzi 60 . Agar AС = 15 sm, bo‘lsa, AВ tomonini toping.
2. ABC uchburchakda AB = 4 sm, , . AC tomonni toping.
3. ABC uchburchakda AC = 15 sm, BC = 10 sm, . Bu uchburchakning AC tomonini toping.
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Bosh sahifa
Aloqalar
Bosh sahifa
I poyezd 4 soatda 336 km, avtobus 3 soatda 126 km yo’l bosdi. Avtobusning tezligi poyezd tezligidan necha marta kam? Yechish
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