<p>1.  간단한 산술  평균을 하면 중심을 찾을수 있다.</p><div class="figure-img" data-ke-type="image" data-ke-style="alignLeft" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1YwT0/63a240fdcc91fcdc8e63812b7116489d6f1247e2" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1YwT0/63a240fdcc91fcdc8e63812b7116489d6f1247e2" data-origin-width="235" data-origin-height="228"></div><p>2. </p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1YwT0/880bd42cc4d9bfeadf8ba5141b624fdb35ba8324" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1YwT0/880bd42cc4d9bfeadf8ba5141b624fdb35ba8324" data-origin-width="441" data-origin-height="355"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1YwT0/d9f02a40806e439b40a0cb0f54e95116ce8c9d24" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1YwT0/d9f02a40806e439b40a0cb0f54e95116ce8c9d24" data-origin-width="678" data-origin-height="550"></div><p>   색갈이 들어가 있는 부분을 한점 도형위에 있는 좌표를 선택하여 나타내야 함.. 음..</p><p>    혹시 다른 분이 만든것에.. 이런 것은 잘 표현 되어 있는지??</p><p>3.</p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1YwT0/1e2f4e8ce92a0b3dde100067011a3cc4b0ba7997" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1YwT0/1e2f4e8ce92a0b3dde100067011a3cc4b0ba7997" data-origin-width="536" data-origin-height="458"></div><p>의 중심은 ??</p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1YwT0/6b2d7f3753ab69eaafff5f7a2e7cd2b1470c0515" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1YwT0/6b2d7f3753ab69eaafff5f7a2e7cd2b1470c0515" data-origin-width="557" data-origin-height="557"><div class="figcaption">다각형 위에 표시됨. 이작업으로 전체 자료 만드는 시간이 조금더 걸림</div></div>
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