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2. 䳿




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. 1.2. 䳿 .

 

1. ? ________________

2. 䳿? ________________

3. ? _______________________________________________________________________

:__________________________________________________________ ___________________________________________________________________

 

3. :

 

1. , , . , , , . ϳ 䳿 . , 䳿.

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2. , -Na+ ?

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3. , Na+ , + ?

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4. , ?

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5. , , - . ?

____________________________________________________________________

6. , + ?

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7. , 20%, 30%? : 0 = 90, = 60._________________________________________________________

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8. +. ?

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ʲ в _____

 

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3. ________

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в

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