寒假作业急急急急急急急急急急急急急急急急急
\u4e00\u4e9b\u5bd2\u5047\u4f5c\u4e1a\uff0c\u6025\u6025\u6025\u3001\u8fd8\u6709\u5206\u52a0\u3002\u6211\u6655\u6b7b\u3001 \u4f60\u8fd8\u4e0d\u5982\u76f4\u63a5\u5f00\u5b66\u524d\u53bb\u6284\u540c\u5b66\u7684\u5462\u3001
\u30011-2+3-4+5-6+\u2026+87-88=(-1)*44=-44
\u3001\u53e6\u4e00\u8fb9\u957f\u4e3a4a+b
\u5468\u957fC=2*(3a+2b)+2(4a+b)=14a+6b
\u3001\uff08\u7b2c\u4e09\u9898\u9898\u76ee\u90a3\u4e9b\u7b26\u53f7\u6211\u6ca1\u770b\u61c2\uff09
\u3001\uff08\u9898\u76ee\u662f1/7\u5427\uff09\u6700\u5927\u7684\u4e00\u4f4d\u6570\u662f9\uff0c\u8bbe\u8fd9\u4e2a\u6570\u662fx
1/7*x-3=9
\u300160\u2032\u00d7 0.25 = 15\u2032\uff0c60\u3003\u00d7 15 = 900\u3003
\u6240\u4ee5 0.25\u00b0= 15\u2032= 900\u3003
\u3001\u8bbe\u6210\u672c\u4ef7\u4e3ax\uff0cx(1+50%)=105, \u5316\u7b80\u5f97\uff1a1.5x=105,\u6240\u4ee5x=70\u5143
\u3001\u5206\u5b50\u662f\u5b8c\u5168\u5e73\u65b9\u6570\uff0c\u5206\u5b50\u662f1\u4e3a\u9996\u98792\u4e3a\u516c\u5dee\u7684\u7b49\u5dee\u6570\u5217
\u6240\u4ee5\u7a7a\u683c\u4f9d\u6b21\u4e3a\uff1a25/9, 36/11, n²/(2n-1)
\u3001\u987a\u6c34\uff1a600/(a+2); \u9006\u6c34\uff1a600/(a-2)
\u3001\u5982\u679c\u4f60\u6ca1\u6253\u9519\u5b57\u90a3\u9ebd\u68f1\u957f3a\uff0c\u8868\u9762\u79ef54a\u5e73\u65b9,\u4f53\u79ef27a\u7acb\u65b9
\u5982\u679c\u68f1\u957f\u662f1/3a\uff0c\u8868\u9762\u79ef2/3a\u5e73\u65b9\uff0c\u4f53\u79ef1/27a\u7acb\u65b9
\u3001\u8bbe\u6210\u672c\u4ef7x
0.8x(1+30%)-x=12,\u6240\u4ee5x=30\u5143
\u3001\uff08\u6ca1\u56fe\uff09
"\u6c14\u7403\u5728\u5fae\u98ce\u4e2d\u5189\u5189\u5347\u8d77\uff0c\u4e0d\u662f\u56e0\u4e3a\u5b83\u7684\u989c\u8272\uff0c\u5f62\u72b6"
\u8fd9\u53e5\u8bdd\u8bf4\u660e\u6211\u4eec\u770b\u4e8b\u7269\u4e0d\u80fd\u53ea\u770b\u5916\u8868\uff0c\u66f4\u4e0d\u80fd\u4ece\u76ae\u80a4\u4e0a\u770b\u4eba\uff0c\u8ba4\u4e3a\u9ed1\u4eba\u5c31\u4f4e\u4eba\u4e00\u7b49(\u4ee5\u524d\u767d\u4eba\u6b67\u89c6\u9ed1\u4eba\u7684\u73b0\u8c61\u5f88\u4e25\u91cd\uff09\u3002
\u201c\u800c\u662f\u6c14\u7403\u5185\u5145\u6ee1\u4e86\u6c22\u6c14\u201d\u8fd9\u53e5\u8bf4\u660e\u8981\u770b\u5230\u4e8b\u7269\u7684\u5b9e\u8d28\u3002
6、film 7、kitchen 8、cousin
1、holiday 2、chinese 3、funny 4、garden
an 改成 a
1、evening 2、busy 3、wallet 4、january 5、heat
6、film 7、kitchen 8、cousin
1、holiday 2、chinese 3、funny 4、garden
an 改成 a
1、evening 2、busy 3、wallet 4、january 5、heat
6、film 7、kitchen 8、cousin
1、holiday 2、chinese 3、funny 4、garden
an 改成 a
1、evening 2、busy 3、wallet 4、january 5、heat
6、film 7、kitchen 8、cousin
1．holiday 2.chinese 3.funny 4.garden
an 改成 a
在百度中输入：几年级寒假作业，注意下面的相关搜索，一切都OK了
绛旓細浠婂ぉ鏄槦鏈熸棩,澶╂皵鏅存湕闃冲厜鏄庡獨.鍦ㄨ繖鏍风殑澶╂皵涓嬮涜鏄啀濂戒笉杩囦簡.浣嗘槸鎴戝嵈瑕佸湪瀹朵腑鍐浣滀笟.褰撴垜鍐欏埌"绾㈤宸"杩欎笁涓瓧鏃,涓浠朵护鎴戠啛鎮夎屽張鎰熷姩鐨勪簨,鍐嶆娴幇鍦ㄦ垜鐨勭溂鍓. 閭ｅぉ涔熸槸鍛ㄦ棩,澶╃┖鏄伆钂欒挋鐨,濂戒技鑰佸ぉ闃存矇鐨勮劯.閭ｆ椂,濡堝鎷夌潃鎴戣繖涓節宀佸崐鐨勫コ瀛╁洖瀹.鍥犱负褰撴椂鎴戝鐢靛瓙鐞,姣忓埌鏀惧閮藉皢杩戝崄鍏偣,鍥炲埌瀹朵腑閮...
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绛旓細1銆乤sk銆2銆乭ave dinner 锛宔leven books 锛宼wenty- one boys锛宼hirty -two girls锛宖orty bags锛宔ighty-five people锛宖ifty-one锛宻ixty-six锛宻eventy-two锛宯inety-nine锛宖ly a kite 锛寃ait 锛屼笉寰椾笉锛屽氨杩欎箞骞插惂锛宲lay the piano 锛屾垜鎯冲幓锛宎 healthy body 锛宧ave breakfast锛屼笂涓鍫傞亾寰锋暀鑲茶锛...
绛旓細銆1-2+3-4+5-6+鈥+87-88=(-1)*44=-44 銆佸彟涓杈归暱涓4a+b 鍛ㄩ暱C=2*(3a+2b)+2(4a+b)=14a+6b 銆侊紙绗笁棰橀鐩偅浜涚鍙锋垜娌＄湅鎳傦級銆侊紙棰樼洰鏄1/7鍚э級鏈澶х殑涓浣嶆暟鏄9锛岃杩欎釜鏁版槸x 1/7*x-3=9 銆60鈥裁 0.25 = 15鈥诧紝60銆兠 15 = 900銆冩墍浠 0.25掳= 15鈥= 900銆冦...
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绛旓細1. 鍏堟寜鐓ф瘮渚嬫潵绠 鍋囪灏忔鏂瑰舰澶у皬涓1 閭ｄ箞鏍规嵁鍥惧舰涓婇潰閭ｄ釜灏忔鏂瑰舰涓殑涓や釜涓夎褰㈢殑澶у皬鐩稿姞涓0.5 搴曚笅鐨勯偅涓笁瑙掑舰闃村奖鍒欐槸1脳2梅2=1鐨 1+0.5=1.5. 鎸夌収杩欐牱鏉ョ畻鍏釜灏忔鏂瑰舰澶у皬涓1脳6=6 閭ｄ箞闃村奖鎵鍗犲叚涓皬姝ｆ柟褰㈢殑澶у皬涓1.5/6=1/4 鐜板湪浠ｅ叆鍊硷細鍗12梅1/4=48cm²4...
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