小学四年级下册数学课堂作业本第12页第四大题怎么写
\u56db\u5e74\u7ea7\u4e0b\u518c\u7684\u6570\u5b66\u8bfe\u5802\u4f5c\u4e1a\u672c\u7b2c52\u9875\u7684\u7b2c3\u9898\u600e\u4e48\u505a\u554a\uff1f\u89e3:\u8bbe\u9ed1\u5154\u4e3aX,\u767d\u5154\u4e3aX+16.
X+16*X=3
X+16 =3X
16 =3X-X
16 =2X
X =16*2
X =8
8+16=24(\u53ea)
\u7b54:\u9ed1\u51548\u53ea,\u767d\u515424\u53ea.
\u6ce8:* = \u9664\u53f7
\uff081\uff09\u5199\u4eba\u7c7b\uff1a\u53d1\u6124\u56fe\u5f3a\uff0c\u767e\u70bc\u6210\u94a2\uff0c\u575a\u6301\u4e0d\u61c8\uff0c\u8fce\u96be\u800c\u4e0a\uff0c\u6e38\u624b\u597d\u95f2
\u53d9\u8ff0\u7c7b\uff1a\u820d\u672c\u9010\u672b\uff0c\u90af\u90f8\u5b66\u6b65\uff0c\u65e0\u72ec\u6709\u5076\uff0c\u5973\u5a32\u8865\u5929
\u7ed8\u666f\u7c7b\uff1a\u94fa\u5929\u76d6\u5730\uff0c\u4eba\u58f0\u9f0e\u6cb8\uff0c\u8083\u7136\u65e0\u58f0
\u72b6\u7269\u7c7b\uff1a\u7ed3\u7ed3\u5b9e\u5b9e\uff0c\u70df\u718f\u706b\u71ce
\uff082\uff09.\u5728\u5b66\u4e60\u4e2d\uff0c\u9047\u5230\u56f0\u96be\uff0c\u6211\u4eec\u5e94\u8be5\u61c2\u5f97\u575a\u6301\u4e0d\u61c8\uff0c\u8fce\u96be\u800c\u4e0a\u3002
\uff083\uff09\u4e13\u5fc3\u81f4\u5fd7---\u5fd7\u5728\u5fc5\u5f97---\u5f97\u5fc3\u5e94\u624b---\u624b\u5230\u64d2\u6765---\u6765\u53bb\u81ea\u5982---\u5982\u9c7c\u5f97\u6c34---\u6c34\u5230\u6e20\u6210---\u6210\u5343\u4e0a\u4e07---\u4e07\u7d2b\u5343\u7ea2---\u7ea2\u5149\u6ee1\u9762---\u9762\u5982\u571f\u8272---\u8272\u5f69\u6591\u6593
135+146+265+154=879
绛旓細1. 38+456=494 楠岀畻锛456+38=494 2. 307+348=655 楠岀畻锛348+307=655 3. 123+2847=2970 楠岀畻锛2847+123=2970
绛旓細鎴戞潵鍛婅瘔浣犲惂!1銆5.80 3.60 4.55 2銆佺暐 3銆佺暐 4銆7 銆65銆5銆16銆佸崄鍒嗐0.1銆佺櫨鍒嗐0.01銆佷釜銆1 涓嬫鍐嶅憡璇変綘
绛旓細涓锛240梅4+1=61锛堟5锛変簩锛80梅4=20锛堥棿闅旓級 20-9=19 19脳2=38锛堟5锛変笁锛氾紙1锛夛紙18-1锛壝3=51 锛2锛夛紙18+1锛壝3=57 锛3锛18脳3=54 鍥涳細400绫=40000鍘樼背 200绫=20000鍘樼背 锛40000梅40+1锛壝楋紙20000梅40+1锛=501501锛堢泦锛夊皬鐩嗗弸鍟婏紝浠涔堥鐩嚜宸变篃瑕佹兂鎯冲晩 ...
绛旓細34椤典笂闈㈡垜浼氱敤0.8锛0.55銆佹垜浼氭兂0.1锛0.2锛2.1锛2.0锛1.2锛1.2.涓嬮潰锛屼釜锛屽崄鍒嗭紝鍗佸垎涔嬩竴锛岀櫨鍒嗭紝鍗冨垎锛800.0800.35椤典笂闈㈠洓鐐逛笁锛0.65锛0.089锛32.04,0.0703,203.001锛 303.45,0.97,8.21,200,06.
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绛旓細3.锛1锛3脳8+12=36锛堝崈绫筹級锛2锛12梅锛8梅2锛=3锛堝崈绫筹級
绛旓細鐭虫补鏂熸帰闃熷湪A鍩庝笢鍋忓寳40搴︽柟鍚戜笂鎵撲竴鍙f补浜曘傝浣犲湪骞抽潰鍥句笂纭畾娌逛簳鐨勪綅缃
绛旓細涓銆佸 瀵 閿 閿 閿欎簩銆2.5+3+4.5 3+3+4 3.5+3.5+3 4.5+4.5+1 涓夈佺渷鐣 鍥涖佽涓=32搴 瑙掍笁=113搴 瑙掍簩=15搴
绛旓細1000闄や互100=10锛堣締锛
绛旓細瑙o細璁惧師鏁颁负x锛岋紙鏌愭暟鐨勫皬鏁扮偣鍚戝彸绉诲姩涓浣嶅悗锛屾瘮鍘熸暟鎵18鈫掞級10*x-x=18 瑙e緱x=2锛屽嵆鍘熸暟涓2.