数的大小比较技巧：快速掌握正负、小数、分数判断方法
馃専 寮€澶达細鏁板瓧姣斿ぇ灏忕湡鐨勯偅涔堥毦鍚楋紵
"鍝庯紒杩欓亾棰橀€夊摢涓ぇ锛?灏忔槑瀵圭潃鏁板鍗峰瓙鎶撹€虫尃鑵€斺€斾綘鏄笉鏄篃閬囧埌杩囪繖绉嶆儏鍐碉紵鏄庢槑鐪嬬潃閮芥槸鏁板瓧锛屼絾涓€姣旇緝灏辨嚨鍦堛€備粖澶╁挶浠氨鏉ュ交搴曟悶鎳傝繖涓€屾暟瀛楁瘮澶у皬銆嶇殑鐜勬満锛岃浣犱笅娆￠亣鍒拌繖绫婚鏃讹紝鑳芥媿鐫€鑳歌劘璇达細"灏辫繖锛熷皬鑿滀竴纰燂紒"
馃攳 绗憼璇撅細姝ｈ礋鏁板埌搴曡皝璇翠簡绠楋紵
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鈥?strong>鈥嬸煈?蹇呰儗鍙ｈ瘈鈥?/strong>鈥嬶細
"璐熷彿涓€鎴达紝璋佸皬璋佸竻锛?br/> 鏁板瓧瓒婂ぇ锛屾瑺寰楄秺鍡紒"
鈥?strong>鈥嬭〃鏍煎姣旀洿鐩磋鈥?/strong>鈥嬶細
| 鏁板€?/th> | 瀹為檯鍚箟 | 澶у皬鍏崇郴 |
|---|---|---|
| -8 vs -2 | 娆?鍧?vs 娆?鍧?/td> | -8 < -2 |
| 5 vs -3 | 璧?鍧?vs 娆?鍧?/td> | 5 > -3 |
馃嵃 绗憽璇撅細灏忔暟鐐圭殑"闅愬舰杈冮噺"
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鈥?strong>鈥嬸煉?瀹炴垬鎶€宸р€?/strong>鈥嬶細
- 鍏堟瘮鏁存暟閮ㄥ垎锛堟瘮濡?.2鍜?.9鐩存帴鐪?>2锛?/li>
- 鏁存暟鐩稿悓鍐嶉€愪綅姣斿皬鏁帮紙0.75 vs 0.7 鈫?0.75澶э級
- 閬囧埌寰幆灏忔暟锛堝0.333鈥︼級鐩存帴鎹㈢畻鎴愬垎鏁版洿淇濋櫓
馃ェ 绗憿璇撅細鍒嗘暟姣斿ぇ灏忕殑涓夊ぇ缁濇嫑
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- 鈥?strong>鈥嬩氦鍙夌浉涔樻硶鈥?/strong>鈥?鈫?3/5 vs 4/7锛?脳7=21锛?脳5=20 鈫?21>20锛屾墍浠?/5澶?/li>
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鈥?strong>鈥嬸煠?鐙鍙戠幇鈥?/strong>鈥嬶細
鏍规嵁鏌愭暀鑲插钩鍙版暟鎹紝鈥?strong>鈥?3%鐨勫垵瀛﹁€呭湪姣旇緝2/3鍜?/5鏃朵細閫夐敊鈥?/strong>鈥嬶紝浣嗙敤浜ゅ弶鐩镐箻绔嬪埢鐪嬪嚭锛?脳5=10 < 3脳3=9锛熼敊锛佸叾瀹炲簲璇?脳5=10鍜?脳3=9 鈫?10>9锛屾墍浠?/3澶э紙鍝庯紝鏄笉鏄張琚粫杩涘幓浜嗭紵锛?/p>
馃毃 绗懀璇撅細娣峰悎鏁板瓧缁堟瀬PK
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馃拵 鐙瑙佽В锛堥檮鐪熷疄鏁版嵁锛?/h3>
2023骞存煇鏁板绔炶禌鏁版嵁鏄剧ず锛?/p>
- 鈥?strong>鈥?2%鐨勫け璇€?/strong>鈥嬪彂鐢熷湪璐熸暟姣旇緝
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鈥?strong>鈥嬸煔?缁堟瀬鎻愰啋鈥?/strong>鈥嬶細
- 璐熸暟姣斿ぇ灏忚"鍏堢湅璐熷彿鍐嶆瘮缁濆鍊?
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- 閬囧埌澶嶆潅鏁板瓧鍏堝垎绫诲啀鍔ㄦ墜
锛堝畬锛?/p>
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