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<Á¦ 100 ȸ> : Á¤¿ø¿ë È£½º
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¿ì¸®´Â Á¤¿ø¿¡ ¹°À» ÁÖ·Á°í µµ¶û¿¡¼ºÎÅÍ ¹°À» ²ø¾î¿À·Á°í ÇÑ´Ù.
±×·±µ¥ µÚ¶ã¿¡´Â µÎ °³ÀÇ Á¤¿ø¿ë È£½º°¡ ÀÖ´Ù.
Çϳª´Â Á÷°æÀÌ 1ÀÎÄ¡ÀÌ°í, ´Ù¸¥ °ÍÀº 2ÀÎÄ¡ÀÌ´Ù.
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1ÀÎÄ¡ È£½º¸¦ »ç¿ë ½Ã ¾ó¸¶³ª ¸¹Àº ½Ã°£ÀÌ °É¸±±î?
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==
[q] :
we are going to carry some water from the ditch to our garden for watering.
then we have two garden hoses in the backyard.
one is a one inch of diameter, the others two inch.
if it needs one hour by a two-inch hose,
how many hours does it need by using a one-inch hose ?
==
<Áß¿ä ´Ü¾î>
car.ry /k©¡́r.i:/[ij^¾Æ¡¯.(¾î)¸®ÀÌ]
v. (p., pp. carried; carrying) ¿î¹ÝÇÏ´Ù, ³ª¸£´Ù(transport), ½Ç¾î º¸³»´Ù, (µ¿±â(ÔÑѦ)¡¤¿©ºñ(ÕéÞ¨)¡¤½Ã°£ µîÀÌ (»ç¶÷À»)) °¡°Ô ÇÏ´Ù, ÈÞ´ëÇÏ´Ù, (¼Ò¸®¡¤¼Ò¹® µûÀ§¸¦) ÀüÇÏ´Ù
di.am.e.ter /dai.©¡́m.ət.ər/[´ÙÀÌ.¾Ö^¾Ï ́.ži.¾î(¾î)¤©]
n. Á÷°æ, Áö¸§, (·»ÁîÀÇ) ¹èÀ².
• magnify 2,000 ¡s ¹èÀ² 2õÀ¸·Î È®´ëÇÏ´Ù.
ditch /ditʃ/[µðÃë]
n. µµ¶û, °³Ãµ, È£(ûÌ), (õ¿¬ÀÇ) ¼ö·Î, ½Ã±Ãâ, ¹è¼ö±¸.
• be driven to the last ¡ ±ÃÁö¿¡ ¸ô¸®´Ù.
v. ┅¿¡ µµ¶ûÀ» ÆÄ´Ù, ┅¿¡ ÇØÀÚ¸¦ µÎ¸£´Ù, (Å»°ÍÀ») µµ¶û¿¡ ºü¶ß¸®´Ù, ¡¼¹Ì±¹¡½ (¿Â÷ µûÀ§¸¦) Å»¼±½ÃÅ°´Ù, (Â÷¸¦) µµ·Î¿¡¼ ¹þ¾î³ª°Ô ÇÏ´Ù, (¼Ó¾î) (°ï°æ¿¡ ÀÖ´Â µ¿·á¸¦) ¹ö¸®´Ù, (ÀÏ¡¤Ã¥ÀÓ¿¡¼) ²Ç¹«´Ï »©´Ù.
hose /houz/[È£¿ì¤µÁî]
n. (pl. ¡, (°í¾î) hosen [hóuzn]) ±ä ¾ç¸», ½ºÅ¸Å·(stockings), (±¸¾î) ¹Ý¹ÙÁö, (doublet°ú ÇÔ²² Âø¿ëÇÑ) ŸÀÌÃ÷. [syn.] ⇨ socks. ¨è (pl. hoses) u,c È£½º.
v. (È£½º·Î ¶ã µûÀ§)¿¡ ¹°À» »Ñ¸®´Ù, (Â÷ µîÀ») ¹°À» »Ñ·Á ¾Ä´Ù(down), (¼Ó¾î) È£½º µûÀ§·Î Ä¡´Ù, (can.¼Ó¾î) ¼ÓÀÌ´Ù, ÇØÄ¡¿ì´Ù.
[Á¤´ä ¹× Çؼ³]
Á¤´ä : ´Ù) 4½Ã°£
Çؼ³ :
°°Àº À¯¼Ó(êüáÜ)À̳ª Å©±â°¡ ´Ù¸¥ È£½º´Â ±× È£½ºÀÇ Á÷°æ¿¡ µû¶ó ´Ù¸£´Ù.
1) Á÷°æ 2ÀÎÄ¡È£½º = ¹ÝÁö¸§(1ÀÎÄ¡) Á¦°ö x 3.14(¥ð) =3.14
2) Á÷°æ 1ÀÎÄ¡È£½º = ¹ÝÁö¸§(0.5ÀÎÄ¡) Á¦°ö x 3.14(¥ð) =0.78
±×·¡¼ 1)°ú 2)ÀÇ ºñ(Ýï)´Â 4:1ÀÌ´Ù.
Áï, 2ÀÎÄ¡ ´ë½Å 1ÀÎÄ¡ È£½º¸¦ »ç¿ëÇÏ¸é ½Ã°£Àº ³× ¹èÀÎ 4½Ã°£ÀÌ ¼Ò¿äµÈ´Ù.
==