32的四分之三的线段图怎么画? 40乘四分之三的线段图怎么画
\u56db\u5206\u4e4b\u4e09\u4e58\u4e09\u5206\u4e4b\u4e8c\u7ebf\u6bb5\u56fe\uff1f3 2 1
- X - = -
4 3 2
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\u5148\u753b\u51fa3/4\uff0c
3/4\u00d7\uff0c2/3.\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u5206\u6bcd\u4e0d\u76f8\u540c\uff0c
\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u8981\u7edf\u4e00\u5206\u6bcd\uff0c\u7ecf\u8fc7\u8ba1\u7b97\uff0c\u76f8\u540c\u7684\u5206\u6bcd\u6570\u662f12\uff0c
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\u8fd9\u4e2a\u65f6\u5019\uff0c
\u5c31\u8981\u628a\u4e0a\u9762\u7684\u56fe\u7247\uff0c\u6269\u5927\u523012\u5757\uff0c\u8fd9\u6837\u5c31\u597d\u8ba1\u7b97\u4e86\uff0c
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\u4e0b\u9762\u753b\u4e86\u7ebf\u7684\u90e8\u5206\uff0c\u4e5f\u662f\u4e00\u4efd\u5f53\u4e2d\u76843/4\uff0c
\u4e4b\u6240\u4ee5\u753b\u6210\u8fd9\u6837\uff0c
\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u8ba1\u7b97\uff0c
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\u4e0b\u9762\uff0c\u6211\u4eec\u4ece3/4\u7684\u90e8\u5206\u5f53\u4e2d\uff0c\u53d6\u51fa\u4ed6\u76842/3\u90e8\u5206\uff0c
\u5c31\u662f\u4e0b\u9762\u7684\u56fe\u7247\u663e\u793a\uff0c
\u56fe\u7247\u4e2d\uff0c
\u5706\u5708\u90e8\u5206\uff0c\u5c31\u662f\u753b\u865a\u7ebf\u76843/4\u90e8\u5206\u5f53\u4e2d\u76842/3\uff0c
\u5728\u6574\u4e2a\u7684\u56fe\u7247\u4e2d\uff0c
\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u697c\u4e3b\u63d0\u51fa\u7684\u7b97\u5f0f\uff0c\u6700\u540e\u7684\u7ed3\u679c\u662f\uff0c1/2.
\u8c22\u8c22\uff01
\u5e0c\u671b\u5bf9\u697c\u4e3b\u6709\u6240\u5e2e\u52a9\uff0c
40\u7684\u7ebf\u6bb5\u662f\u786e\u5b9a\u7684\u8bdd\uff0c\u7136\u540e\u7528\u5706\u89c4\u4ee5\u5927\u4e8e20\u7684\u534a\u5f84\uff0c\u5206\u522b\u4ee540\u7684\u7ebf\u6bb5\u7684\u7aef\u70b9\u4e3a\u5706\u5fc3\u753b\u5706\u5f27\uff0c\u4e24\u4e2a\u5706\u5f27\u76f8\u4ea4\u4e24\u70b9\uff0c\u8fde\u63a5\u4e24\u70b9\u5fc5\u4e0e40\u7684\u7ebf\u6bb5\u4ea4\u4e8e\u4e00\u70b9\uff0c\u5373\u4e3a40\u7684\u7ebf\u6bb5\u7684\u4e2d\u70b9\uff0c\u7136\u540e\u4ee5\u540c\u6837\u7684\u65b9\u6cd5\u628a20\u7684\u7ebf\u6bb5\u5728\u5e73\u5206\u5373\u53ef\u5f97\u52303/4
32的3/4,
线段图如下,
绛旓細鍥炵瓟锛1➗涓夊垎涔嬩竴鍜鍥涘垎涔涓鐨勫拰
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绛旓細瑕佺敤绾挎鍥琛ㄧず浜岄櫎浠鍥涘垎涔嬩笁锛屾垜浠渶瑕佷袱涓嚎娈垫潵琛ㄧず锛氫竴涓〃绀衡2鈥濓紝鍙︿竴涓〃绀衡3/4鈥濄傞鍏堬紝鎴戜滑鐢讳竴涓嚎娈碉紝闀垮害浠h〃鈥2鈥濄傛垜浠啀鐢讳竴涓◢鐭鐨勭嚎娈锛岄暱搴︿唬琛ㄢ3/4鈥濄傚皢涓ょ嚎娈典簰鐩稿姣旓紝骞跺皢杈冮暱鐨勭嚎娈碉紙鍗充唬琛ㄢ2鈥濈殑绾挎锛夊垝鍒嗕负鑻ュ共绛変唤锛屾瘡涓浠介暱搴︿笌杈冪煭绾挎锛堝嵆浠h〃鈥3/4鈥...
绛旓細3脳1/4=3/4(绫)3绫鐨勫洓鍒嗕箣涓鏄鍥涘垎涔嬩笁绫炽
绛旓細绾挎鍥锛屼竴鏉$嚎娈碉紝骞冲潎鍒4浠斤紝涓偣鏄浜屼唤澶1/2銆3/4鏄涓変唤澶勶紝鍒3/4-1/2鍗充负10鍗冪背銆傚叏闀10梅(3/4-1/2)=40鍗冪背銆
绛旓細鍏堢敾鍑绾挎鍥鍐嶈В绛:鍥捐В
绛旓細鍥炵瓟锛320梅4/3=240
绛旓細浣犲ソ 4/3灏辨槸1鍙1/3锛岀敱鍗曚綅1鍜1/3缁勬垚銆傚鏋滅敾鍥撅紝鎴戝彊杩颁綘鏉ョ敾 鈶犵敾2涓悓鏍风殑鍦嗭紝绗1涓渾鍏ㄩ儴娑傞槾褰 鈶℃妸绗2涓渾骞冲潎鍒嗘垚3浠藉彇鍏朵腑1浠界敾闃村奖 鈶㈡妸鐢婚槾褰辩殑涓や釜鍦嗘斁鍦ㄤ竴璧凤紝闃村奖琛ㄧず鐨勫氨鏄細4/3
绛旓細鎹鎰忓緱锛20锛3x4锛5锛16锛3=5鍙1/3 鍒欎笁鍒嗕箣浜屽崄鐨勪簲鍒嗕箣鍥鐨勭嚎娈靛浘濡備笅鍥炬墍绀猴細鈥斺斅封斺斅封斺斅封斺斅封斺斅- 鍗冲墠闈簲鏉″悓闀跨殑闀跨嚎娈碉紝鏈鍚庝竴鏉′负鍓嶉潰闀跨嚎娈电殑涓夊垎涔嬩竴銆