画一个正方形里面画九个小的方格,中间的那个不要。1 2 3 4 5 6 7 8相加使每个边都得15
2\uff0c3\uff0c4\uff0c6\uff0c8\uff0c9\uff0c12\uff0c15\u586b\u5165\u67099\u4e2a\u65b9\u683c\u7684\u6b63\u65b9\u5f62\u683c\u5b50\u4e2d\uff0c\u4e2d\u95f4\u4e00\u683c\u7a7a\u7740\uff0c\u4f7f\u5f97\u6a2a\u7ad6\u76f8\u52a0\u76f8\u7b49\u4e0d\u6210\u7b49\u5f0f
\u51c6\u5907\u4e00\u628a\u523b\u5ea6\u5c3a\uff0c
\u753b\u4e00\u4e2a\u5de6\u6807\u8f74\uff0c\u56fe\u4e0a\u523b\u5ea61\u5398\u7c73\u8868\u793a\u5b9e\u96451\u5398\u7c73\uff0c\u9762\u79ef\u4e3a8\u7684\u6b63\u65b9\u5f62\u8bf4\u660e\u5b83\u7684\u53d8\u957f\u8981\u4e3a2\u6839\u53f72\uff0c\u6839\u53f72,\u7684\u957f\u5ea6\u89c1\u56fe\u4e0a\uff0c\u7528\u523b\u5ea6\u5c3a\u91cf\u4e00\u4e0b\u6839\u53f72\u7684\u957f\u5ea6\uff0c\uff08\u8868\u8fbe\u80fd\u529b\u4e0d\u662f\u5f88\u597d\uff0c\u4e0d\u8fc7\u8bf4\u5230\u8fd9\u4e86\u4f60\u5e94\u8be5\u4f1a\u505a\u4e86\uff09
O.K?
绛旓細O.K?
绛旓細2銆佸鍥炬墍绀猴紝浠姝ｆ柟褰妗嗕腑鍙栧嚭鍥涙牴鐏煷锛屼緷娆℃斁鍦1銆2銆3銆4鐨勪綅缃笂锛岀敤钃濈嚎琛ㄧず銆3銆佸鍥炬墍绀猴紝浠庣殑鏂规涓彇鍑哄洓鏍圭伀鏌达紝渚濇鏀惧湪5銆6銆7銆8鐨勪綅缃笂锛岀敤榛勭嚎琛ㄧず銆4銆佸鍥炬墍绀猴紝浠庡浘鐗囦腑鍒犻櫎鍜屽垹闄ゃ5銆佸鍥炬墍绀猴紝鍘绘帀鎵鏈夌殑鏍囪锛屽仛鍑烘墍闇鐨9涓柟鏍銆傦紙钃濈嚎鍜岄粍绾挎槸绉诲姩鐨8涓伀鏌达級...
绛旓細9涓鐐逛粠涓婂埌涓嬶紝浠庡乏鍒板彸渚濇缂栧彿1-9銆傜涓鏍圭嚎杩炴帴1銆5銆9銆傜浜屾牴绾胯繛鎺1銆2銆3骞跺悜鍙冲欢闀裤傜涓夋牴绾胯繛鎺1銆4銆5骞跺悜涓嬪欢闀裤傜鍥涙牴绾胯繛鎺6銆8骞跺悜宸︿笅鍜屽彸涓婂欢闀匡紝鐩村埌纰板埌绗簩鏍瑰拰绗笁鏍圭嚎銆
绛旓細1銆侀鍏,鍦ㄧ焊涓鐢讳竴涓鏂瑰舰,鎶婂畠鍒嗕负鍗佸叚涓皬鏂规牸銆2銆佸啀浠庡乏涓婅鍒板彸涓嬭鐢讳竴鏉＄嚎銆3銆佸湪涓婇潰鐨勪腑闂磋繛涓鏉＄嚎鍒板彸闈㈢殑涓棿銆4銆佸啀鍦ㄥ乏涓嬭鍒板彸涓婅鐢讳竴鏉＄嚎,纰板埌绗簩鏉＄嚎灏卞彲浠ュ仠浜嗐5銆佷粠鍒氭墠鐨勯偅鏉＄嚎鐨勫熬绔紑濮嬩竴鏉＄嚎,鐢诲乏涓婁笌鍙充笅鐨勫瑙掔嚎鐨勫洓鍒嗕箣涓,鍙﹀,鍦ㄥ乏涓婂彸涓嬭繖鏉″瀵...
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绛旓細1棣栧厛鎴戜滑鍦ㄥ湴涓婄敾鍑轰笁涓爢鍦ㄤ竴璧鐨勬柟鏍 2鐒跺悗鎴戜滑鍦ㄨ繖涓変釜鏂规牸涓婃帴鐫鐢诲嚭涓や釜妯殑鏂规牸 3鍦ㄦí鏂规牸涔嬩笂锛屾垜浠啀鐢诲嚭涓涓柟鏍4鎺ョ潃鎴戜滑鍦ㄤ笂闈㈠啀鐢讳袱涓í鏂规牸5鐒跺悗鎴戜滑鍔犱笂涓涓ぇ澶у崐鍦嗭紝璺虫柟鏍煎氨鐢诲ソ浜嗐1璺虫埧瀛鐢鐨勬椂鍊欎竴鑸洿鎺ョ敾鍦ㄥ湴闈笂锛屽厛鐢ㄧ矇绗斿湪鍦伴潰涓婄敾鍑涓涓鏂瑰舰鐨灏忔柟鏍锛岀敾濂戒箣鍚...
绛旓細1銆佽烦鎴垮瓙鐢荤殑鏃跺欎竴鑸洿鎺ョ敾鍦ㄥ湴闈笂锛屽厛鐢ㄧ矇绗斿湪鍦伴潰涓婄敾鍑涓涓鏂瑰舰鐨灏忔柟鏍锛岀敾濂戒箣鍚庢帴鐫鍐嶅悜涓婄敾鍑轰袱涓悜涓婂欢浼哥殑灏忔柟鏍笺傛寜鐓ч『搴忓湪涓婇潰鍐欎笂鏁板瓧1銆2銆3銆2銆佸啓濂戒箣鍚庡湪绗笁涓柟鏍间笂闈㈢敾鍑轰袱涓浉閭鐨勬柟鏍锛屽苟鍦ㄩ噷闈㈠啓涓婃暟瀛4銆5锛屾帴鐫鍦ㄤ袱涓柟鏍肩殑涓棿浣嶇疆鍐嶅悜涓婄敾鍑轰竴涓柟鏍硷紝閲岄潰鍐...
绛旓細姣忎釜灏忔柟鏍肩殑闈㈢Н涓1骞虫柟鍘樼背锛屽鏋滄柟鏍煎垰濂芥槸姝ｆ柟褰㈢殑璇濓紝閭ｈ繖涓皬姝ｆ柟褰㈢殑杈归暱灏变负1鍘樼背锛屽洜姝ゅ彧瑕佷互10涓皬姝ｆ柟褰㈢殑杈归暱涓鸿竟闀鐢讳竴涓鏂瑰舰灏卞彲浠ヤ簡銆
绛旓細[5,3]=15锛堝帢绫筹級...锛堟眰鍑烘渶灏忓叕鍊嶆暟鍗崇櫧绾歌竟闀匡級
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