398减348约等于多少
399\u00d7398\u7b49\u4e8e\u591a\u5c11\u554a\uff1f399x398
=(400-1)(400-2)
=160000-1200+2
=158802
1/3x9/20\u00f7\uff081+1/2)
=3/20x2/3
=1/10
0.2:1.6
=1:8
1/4:0.3
=5:6
0.25:0.75
=1:3
24:36
=2:3
2:0.58
=100:29
9/10:1/4
=18:5
20.5\u5428\uff1a125\u5343\u514b
=162:1
24\uff0c\u8c22\u8c22\uff01
使用计算器绛旓細34/36 閮藉彲浠ラ櫎浠2 锛34/2 锛 /36/2 =17/18 鏈鍚庣粨鏋滃簲璇ユ槸17/18,17 涓嶈兘鍐嶇害鍒嗕簡
绛旓細绔栧紡杩愮畻姝ラ鍒嗘瀽98脳43 瑙ｉ鎬濊矾:鍏堝皢涓や箻鏁版湯浣嶅榻,鐒跺悗鍒嗗埆浣跨敤绗簩涓箻鏁,鐢辨湯浣嶈捣瀵规瘡涓浣嶆暟渚濇涔樹笂涓涓箻鏁,鏈鍚庡皢鎵璁＄畻缁撴灉绱姞鍗充负涔樼Н,濡傛灉涔樻暟涓哄皬鏁板彲鍏堝皢鍏舵墿澶х浉搴旂殑鍊嶆暟,鏈鍚庝箻绉湪缂╁皬鐩稿簲鐨勫嶆暟锛涜В棰樿繃绋:姝ラ涓:3脳98=294 姝ラ浜:4脳98=3920 鏍规嵁浠ヤ笂璁＄畻缁撴灉鐩稿姞涓4214 楠岀畻:...
绛旓細55梅60绾︾瓑浜0.92銆16梅34绾︾瓑浜0.47銆33梅34绾︾瓑浜0.97銆
绛旓細7. 灏忔槑鏃╀笂浠庡姝ヨ鍘诲鏍,璧板畬涓鍗婅矾绋嬫椂,鐖哥埜鍙戠幇灏忔槑鐨勬暟瀛︿功涓㈠湪瀹堕噷,闅忓嵆楠戣溅鍘荤粰灏忔槑閫佷功,杩戒笂鏃,灏忔槑杩樻湁3/10鐨勮矾绋嬫湭璧板畬,灏忔槑闅忓嵆涓婁簡鐖哥埜鐨勮溅,鐢辩埜鐖搁佸線瀛︽牎,杩欐牱灏忔槑姣旂嫭鑷琛屾彁鏃5鍒嗛挓鍒版牎.灏忔槑浠庡鍒板鏍″叏閮ㄦ琛岄渶瑕澶氬皯鏃堕棿? 8. 鐢层佷箼涓よ溅閮戒粠A鍦板嚭鍙戠粡杩嘊鍦伴┒寰C鍦,A,B涓ゅ湴鐨勮窛绂...
绛旓細730梅8绾︾瓑浜90
绛旓細34涓8锛屾偍鍙互璇曡瘯璁＄畻鍣绾︾瓑浜鈮堝彲浠
绛旓細鈭1 = 1 鈭2 = 1.41421 鈭3 = 1.73205 鈭4 = 2 鈭5 = 2.23607 鈭6 = 2.44949 鈭7 = 2.64575 鈭8 = 2.82843 鈭9 = 3 鈭10 = 3.16228 鈭11 = 3.31662 鈭12 = 3.4641 鈭13 = 3.60555 鈭14 = 3.74166 鈭15 = 3.87298 鈭16 = 4 鈭17 = 4.12311 鈭18 = 4...
绛旓細34锛堬級55绾︾瓑浜3.5涓囷紝鎷彿閲屽彲浠ュ～锛5,6,7,8,9銆傚笇鏈涜兘甯埌浣狅紒
绛旓細瑙ｏ細800闄や互34绛変簬400/17锛屻愬嵆绾︾瓑浜23.53銆戔埖宸茬煡闇姹傚嚭800闄や互34绛変簬澶氬皯 A 梅 B = A/B = C 鈭800 梅 34 = 800 / 34 = 400/17 = 23.52941176 鈮 23.53 绛旓細800闄や互34绛変簬400/17锛屻愬嵆绾︾瓑浜23.53銆
绛旓細涓嶇煡閬撴庝箞绾﹀垎灏变粠鏈灏忓叕绾︽暟寮濮嬪寲绠锛屼竴姝ヤ竴姝ュ寲鍒颁笉鑳藉啀鍖栫畝銆34/78*22/12 =34*22梅锛78*12锛=2*17*2*11梅锛39*2*6*2锛=17*11梅锛39*6锛=187/234
