�� 45 �� 1 �� 10 �� (��)

�� #1

$�� (1�4).1. {2x-3y=5, 3^x+2^((x+2)/2-y)=90}.2. {3x/(2x+y)+6x+3y=9, 12�13^(2x+y)+13=13^(4x+2y)}.3. {3cos(x)+sin(y)=0,5, 2cos(x)-sin(y)=2}.4....$

�� , ��, �� 10 ��, ��:

�� (1�4).

1. {2x-3y=5, 3^x+2^((x+2)/2-y)=90}.

2. {3x/(2x+y)+6x+3y=9, 12�13^(2x+y)+13=13^(4x+2y)}.

3. {3cos(x)+sin(y)=0,5, 2cos(x)-sin(y)=2}.

4. {5/v(x-3)+2/v(y+1)=6, 3/v(x-3)-2/v(y+1)=2}.

*�� .

(�� )

*�� , ��