1) 35+у=115-39=76
у=76-35=41
2) z=16+35+64=115
3)28-t=53-35=18
t=28-18=10
2. 115-(35=y)=39
115-35-y=39
80-y=39
-y=39-80
-y=-41
y=41
3. z-35-64=16
z-99=16
z=16+99
z=115
4. 28-t+35=53
-t=53-(28+35)
-t=53-63
-t=-10
t=10
1) 35+у=115-39=76
у=76-35=41
2) z=16+35+64=115
3)28-t=53-35=18
t=28-18=10
2. 115-(35=y)=39
115-35-y=39
80-y=39
-y=39-80
-y=-41
y=41
3. z-35-64=16
z-99=16
z=16+99
z=115
4. 28-t+35=53
-t=53-(28+35)
-t=53-63
-t=-10
t=10