六年级数学题，在长方形中画圆，学霸们能帮我解一下吗
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AC\u4e0e\u5706O\u76f8\u4ea4?
AC\u4e0e\u5706O\u76f8\u5207?
AC\u4e0e\u5706O\u76f8\u79bb?
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15.7-5=10.7\uff08\u5e73\u65b9\u5398\u7c73\uff09
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提示：
如果没有其它条件限制，就可以比较随意的作图。
但必须自己动手，会用圆规画圆。同时培养了适当处理
画圆的大小、位置的能力。方法很多，仅例如图：
希望对你有帮助！
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绛旓細姹傛渶澶у崐鍦嗛潰绉紝鍏堟妸鍗婂渾杩樺師涓鍦嗭紝鍗充袱涓崐鍦嗐傜浉搴闀挎柟褰鐨勯潰绉负12.5x2=25 瑕佸渾鐨勯潰绉渶澶х洿寰勫簲鏈澶э紝闈㈢Н涓25鐨勬鏂瑰舰鏂瑰舰涓鑳藉寘鍚崐寰勬渶澶х殑鍦嗐5x5=25 鍗婂緞涓5/2=2.5 闈㈢Н涓3.14x2.5^2=19.625 鍗婂渾闈㈢Н涓19.625/2=9.8125 ...
绛旓細7銆佸湪涓涓竟闀5鍘樼背鐨勬鏂瑰舰涓敾涓涓渶澶х殑鍦嗭紝鍦嗛潰绉崰姝ｆ柟褰㈢殑锛 锛夆憼 鈶 鈶 鈶 8銆佸懆闀挎槸15.7鍘樼背鐨鍦嗭紝鐢诲渾鏃跺渾瑙勪袱鑴氶棿鐨勮窛绂绘槸锛 锛夈傗憼2鍘樼背 鈶2.5鍘樼背 鈶4鍘樼背 鈶5鍘樼背 鍦嗗崟鍏冪粌涔犻 2009-12-05 09:38:25| 鍒嗙被锛 鍏勾绾璇曢 | 鏍囩锛 |瀛楀彿...
绛旓細鍗婂渾鐨勭洿寰=闀挎柟褰鐨勯暱 鍗婂渾鐨勫崐寰=闀挎柟褰㈢殑瀹 鍚楋紵濡傛灉鏄繖鏍 閭ｄ箞闀挎柟褰㈢殑闀4cm,瀹2cm銆傚渾鐨勫崐寰勪负2cm 閭ｄ箞闃村奖閮ㄥ垎鐨勯潰绉=闀挎柟褰㈤潰绉-鍗婂渾闈㈢Н =4*2-3.14*2*2梅2 =8-6.28 =1.72骞虫柟鍘樼背 闃村奖閮ㄥ垎鐨勫懆闀=鍦嗗懆闀跨殑涓鍗+闀+2瀹 =3.14*2+4+2*2 =6.28+8 =14.28鍘樼背 ...
绛旓細鍦嗗舰鐨勭洿寰勬槸2*2=4鍘樼背 鍦嗙殑鍛ㄩ暱鏄3.14*4=12.56鍘樼背锛岃繖涔熸槸闀挎柟褰鐨勯暱 18.56/2-12.56=3.28鍘樼背锛岃繖鏄暱鏂瑰舰鐨勫 鍦嗗舰闈㈢Н锛3.14*2*2=12.56骞虫柟鍘樼背 闀挎柟褰㈤潰绉細12.56*3.28=41.1968骞虫柟鍘樼背 鎵浠ワ紝鍦嗘煴鐨勮〃闈㈢Н=41.1968+12.56*2=66.3168骞虫柟鍘樼背 ...
绛旓細绗簲棰樹负鈥滄搷浣滈鈥,涓昏鑰冨療瀛︾敓鐢诲渾,鍗婂渾,浠ュ強瀵硅瀵熺殑鑼冨洿鐨勬帉鎻℃儏鍐点傚緱婊″垎鐨勫彧鍗31.5%銆2灏忛鍦ㄤ笅鍥涓敾鍑哄湪A澶勫拰B澶勬墍鑳界湅鍒扮殑寤虹瓚鐗╃殑鏈浣庣偣A,鍜孊,.鏈夌殑鍚屽鍦ㄧ敾瑙嗙嚎鏃跺皢绾跨敾鍑轰簡寤虹瓚鐗,鎵ｆ帀1鍒,鏈夌殑瀛︾敓娌＄湅瑙佷笅闈㈢殑鎴戔滃彂鐜颁簡鈥滃氨娌″啓涓娿3灏棰,鍦涓嬮潰杩欎釜闀挎柟褰腑,鐢诲嚭涓涓渶澶х殑鍗婂渾,...
绛旓細娌暀鐗鍏勾绾鏈熸湯鏁板璇曢浜 涓銆佹兂涓鎯,濉竴濉 (23鍒 4銆5銆11棰樻瘡棰2鍒) 1銆12梅( )=( )25 = 35 =36( ) =( )%=( )鎶 2銆佹妸3绫抽暱鐨勯搧涓濆钩鍧囧垎鎴8娈,姣忔鏄叏闀跨殑( ),姣忔闀( )绫炽 3銆( )纭畾鍦嗙殑浣嶇疆,( )纭畾鍦嗙殑澶у皬銆 4銆佺敤鍦嗚鐢讳竴涓懆闀挎槸9.42鍘樼背鐨鍦,涓よ剼涔嬮棿鐨勮窛...
绛旓細绛旓細1. 鍏堢敾涓涓洿寰勬槸 4 鍘樼背鐨鍦,鐒跺悗鍐嶇敾涓ゆ潯浜掔浉鍨傜洿鐨勭洿寰勩2. 浠ョ敾鍑虹殑 4 鏉″崐寰勪负鐩村緞鐢 4 涓皬鍦嗐3. 缁忚繃姣忎袱涓皬鍦嗙殑浜ょ偣,鍐嶇敾鍑 4 鏉″ぇ鍦嗙殑鍗婂緞銆
