À̱â·Á¸é ÁöÇý¸¦ Å°¿ö¶ó!(98ȸ)
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<Á¦ 098 ȸ> : ±×³à´Â ¾î´À ¼ýÀÚ¸¦ ÁÁ¾ÆÇϳª?
* ÀÌ ¹®Á¦´Â µè(ÀÐ)°í 3ÃÊ ³»·Î ´äÀÌ ³ª¿Í¾ß ÇÑ´Ù.
[¹®] :
sally ´Â 225´Â ÁÁ¾ÆÇϳª 224´Â ¾Æ´Ï´Ù;
±×³à´Â 900Àº ÁÁ¾ÆÇϳª 800Àº ¾Æ´Ï´Ù;
±×³à´Â 144´Â ÁÁ¾ÆÇϳª 145´Â ¾Æ´Ï´Ù.
±×³à´Â ¾î´À ¼ýÀÚ¸¦ ÁÁ¾ÆÇϳª?
º¸±â :
°¡) 1600 ³ª) 1700
[´ä] ( ) ¿Ö? __________________
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[q] :
sally likes 225 but not 224;
she likes 900 but not 800;
she likes 144 but not 145.
which does she like ?
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[Á¤´ä ¹× Çؼ³]
Á¤´ä : °¡) 1600
Çؼ³ :
225 =15x15, 900=30x30, 144=12x12, 1600=40x40
sally´Â Á¤¼öÀÇ Á¦°öÀ» ÁÁ¾ÆÇÑ´Ù. / sally likes perfect squares.
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