9612- (9612÷9+9612÷4)=6141 км
Точки:
x y
<span>-6π = <span>1
</span></span><span>-4π = <span>1
</span></span><span>-2π = <span>1
</span></span><span>0 = <span>1
</span></span><span>2π = <span>1
</span></span><span>4π = <span>1
6</span></span><span>π = <span>1 </span></span>