6 – sinf. Mashqlarning yechishlar


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6 – SINFmasalalar yechimi



4. necha ga teng? ( Javob: )

Yechilishi

Javob:

5. Tezligi bo’lgan shilliqqurt 30 sm masofani qancha vaqtda o’tadi? (t = 0,2s)

№5 Berilgan

S = 30 sm = 0,3 m



Formula





Yechilishi



t = ?



2 – M A S H Q
1. 3 litrli bankada necha kg sut bor? (Javob: 3,09 kg)


№1 Berilgan

V = 3 l = 3.10-3 m3







Formula






Yechilishi




Javob: m=3.09 кг

m - ?

1 ml = 1sm 1 ml3 = 1 sm3

V=3 l = 3000 ml =3000 sm3 = = 300010-6 m3 = 310-3 m3


2. Massasi 18 kg bo’lgan muz qancha hajmni egallaydi? (Javob: 20 l ).




№2 Berilgan

m = 18 kg





Formula





Yechilishi

1 l = 0,001 m3 V = 20 l

Javob:


V - ?


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