수학놀이마당,노벨기초물리학,우주공학 그리고, 미시경제학의 분석도구로서, 순간변화율로 한계비용을 구하는 실무 경제수학교과수준도 國力

<p style="text-align: left;">이해중심으로 익힌 수학공부총량外는,<br>곧,암기위주의수학공부량은무조건암기한결과로 응용할 수없는 數學功識은 잊어버리는 게 상책이되겠네요. <br>應用數學은 道學에 병립하므로.<br><br>X³ =(x²ㅡxㅡ1) (?)+(?)<br>1000÷91<br>100 100÷91(90ㅡ9)</p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/f2ebf480838de0870905e7dd10bdd77f2c33d999" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/f2ebf480838de0870905e7dd10bdd77f2c33d999" data-origin-width="1435" data-origin-height="1513"></div><p style="text-align: left;"><br></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/ac81556eefff475db10af4bd6516cba342d83904" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/ac81556eefff475db10af4bd6516cba342d83904" data-origin-width="1006" data-origin-height="556"></div><p style="text-align: left;">미분계수로. mc)한계비용을계산<br>평균변화율로 AC)평균비용을계산</p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/791c12691c1fc02b2b07ab3daddc4b0a4afeb59f" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/791c12691c1fc02b2b07ab3daddc4b0a4afeb59f" data-origin-width="2203" data-origin-height="1827"></div><p style="text-align: left;"></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/88f1deeafab1ddf051e42f3f0eb8eaace97c6f0e" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/88f1deeafab1ddf051e42f3f0eb8eaace97c6f0e" data-origin-width="1073" data-origin-height="515"><div class="figcaption">적분의원리</div></div><p style="text-align: left;">자료출처. 고교경제수학교과유투브방송<br><span data-ke-size="size14">자료출처 스터디파이터ㅡ윤철신선생님<br><br><br><span style="color: #EE2323;">☆효용함수(하방경직)로 적분이해하기<br>효용함수에서구간을 특정하면정적분이되고,<br>정하지않으면 부정적분이된다.<br><br></span></span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/9c522bc45e273db0fb1d70c75749f82843af2682" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/9c522bc45e273db0fb1d70c75749f82843af2682" data-origin-width="1018" data-origin-height="524"><div class="figcaption"></div></div><p style="text-align: left;"><span style="color: #EE2323;">☆총효용과한계효용관계</span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/7befa065691a44ff77d8ff70c4ed4d0bb207aaa3" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/7befa065691a44ff77d8ff70c4ed4d0bb207aaa3" data-origin-width="1106" data-origin-height="544"><div class="figcaption">ㅡ총효용과한계효용의관계ㅡ</div></div><p style="text-align: left;"></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/0adb4dcb99825ebb6e44ffbd15c9b98028a0ca4f" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/0adb4dcb99825ebb6e44ffbd15c9b98028a0ca4f" data-origin-width="1090" data-origin-height="542"></div><p style="text-align: left;"></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1WKdr/b6a932cb371a6ad8b14ce4f0fdc28ff94e2b9c2d" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1WKdr/b6a932cb371a6ad8b14ce4f0fdc28ff94e2b9c2d" data-origin-width="1025" data-origin-height="521"><div class="figcaption"></div></div><p style="text-align: left;"></p>