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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8 - nazorat ishi

I variant

.

3. Ifodani soddalashtiring va uning qiymatini toping: , bunda .

4. Bo‘lishni bajaring:

5. Ifodani soddalashtiring va uning qiymatini toping:

, bunda .

II variant

1. Ifodani soddalashtiring va uning qiymatini toping , bunda , .

2. Kasrlarni qo‘shish va ayirishni bajaring:

.

3. Ifodani soddalashtiring va uning qiymatini toping , bunda .

4. Bo‘lishni bajaring:

5. Ifodani soddalashtiring va uning qiymatini toping

, bunda ;

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