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<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/1BpBA/ef982b9110e73c54130de804bbcb10a2bf4d52d6" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1BpBA/ef982b9110e73c54130de804bbcb10a2bf4d52d6" data-origin-width="576" data-origin-height="394"></div><p style="text-align: left;">L 길이가 어떻게 1000mm 가 나오나요?<br>풀이 좀 부탁드립니다.</p>
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첫댓글 비례식으로 풀면 나오네요.
130:260=500:X
X=(260×500)÷130=1,000