Masala № 1
Yechish:
160 - (60+15) *2= 10 (km).
60 + 15= 75 (km/soat)
70 * 2 = 150 (km)
160>150
Javob: ular uchrashmaydilar
Masala № 2
Chizmali
Jadvalli
Yechish:12*4=48 (km)
Javob: Kamol 48 km masofani bosib o’tgan.
Masalaning shartini chizma va jadval ko’rinishida ifodalanishini ko’rdik. Endi yechilishini bir necha xil usulda ifodalanishini ko’rib o’tamiz:
Masala
Ushbu masalaning shartini chizma ko’rinishida ifodalaymiz:
Ushbu masalani yechilishini o’quvchilarga algoritm usuli orqali ham tushuntirsak bo’ladi:
1-usul
3
120
2
?
:
?
Yechish: 120*3:2=180(km/soat)
Javob: 180 km/soat.
Bolalar, biz masalani tenglama orqali ham yechishimiz mumkin, buning uchun biz formulalar yozib olishimiz kerak:
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