36人小船限坐三人大船限坐五人大船每条租金十元小船每条租金8元怎样租最省钱 三位老师带47名学生去公园玩每条大船坐六人租金十元每条小船坐...
\u738b\u8001\u5e08\u5e2645\u540d\u5b66\u751f\u53bb\u516c\u56ed\u5212\u8239\u3002\u5927\u8239\u9650\u4e586\u4eba\uff0c\u6bcf\u6761\u79df\u91d124\u5143\uff1b\u5c0f\u8239\u9650\u4e584\u4eba\uff0c\u6bcf\u6761\u79df\u91d120\u5143\u3002\u600e\u6837\u79df\u8239\u5206\u6790\uff1a\u4e58\u5750\u5927\u8239\u6bcf\u4eba\u970024\u00f76=4\u5143\uff0c\u5c0f\u8239\u6bcf\u4eba\u970020\u00f74=5\u5143\uff0c\u6240\u4ee5\u5c3d\u91cf\u79df\u5927\u8239\uff0c\u5c11\u79df\u5c0f\u8239\uff0c\u800c\u4e14\u4fdd\u8bc1\u7a7a\u4f4d\u6700\u5c11\uff0c\u8fd9\u6837\u79df\u91d1\u4f1a\u6700\u5c11\uff0e
\u89e3\u7b54\uff1a\u89e3\uff1a45\u00f76=7\uff08\u53ea\uff09\u20263\uff08\u4eba\uff09\u2460\u5168\u79df\u5927\u8239\u97008\u53ea\uff0c\u82b1\u8d3924\u00d78=192\uff08\u5143\uff09\u2461\u79df\u5927\u82397\u53ea\uff0c\u9700\u5c0f\u82391\u53ea\uff08\u53ef\u4ee5\u4e587\u00d76+4=46\u4eba\uff09\uff0c\u82b1\u8d3924\u00d77+20=188\uff08\u5143\uff09\u2462\u79df\u5927\u82396\u53ea\uff0c\u9700\u5c0f\u82393\u53ea\uff08\u53ef\u4ee5\u4e586\u00d76+4\u00d73=48\u4eba\uff09\uff0c\u82b1\u8d3924\u00d76+20\u00d73=204\uff08\u5143\uff09\u2463\u79df\u5927\u82395\u53ea\uff0c\u9700\u5c0f\u82394\u53ea\uff08\u53ef\u4ee5\u4e586\u00d75+4\u00d74=46\u4eba\uff09\uff0c\u82b1\u8d3924\u00d75+20\u00d74=200\uff08\u5143\uff09\u2464\u79df\u5927\u82394\u53ea\uff0c\u9700\u5c0f\u82396\u53ea\uff08\u53ef\u4ee5\u4e586\u00d74+4\u00d76=48\u4eba\uff09\uff0c\u82b1\u8d3924\u00d74+20\u00d76=216\uff08\u5143\uff09\u2465\u79df\u5927\u82393\u53ea\uff0c\u9700\u5c0f\u82397\u53ea\uff08\u53ef\u4ee5\u4e586\u00d73+4\u00d77=46\u4eba\uff09\uff0c\u82b1\u8d3924\u00d73+20\u00d77=212\uff08\u5143\uff09\u2466\u79df\u5927\u82392\u53ea\uff0c\u9700\u5c0f\u82399\u53ea\uff08\u53ef\u4ee5\u4e586\u00d72+4\u00d79=48\u4eba\uff09\uff0c\u82b1\u8d3924\u00d72+20\u00d79=228\uff08\u5143\uff09\u2467\u79df\u5927\u82391\u53ea\uff0c\u9700\u5c0f\u823910\u53ea\uff08\u53ef\u4ee5\u4e586\u00d71+4\u00d710=46\u4eba\uff09\uff0c\u82b1\u8d3924\u00d71+20\u00d710=224\uff08\u5143\uff09\u2468\u79df\u5c0f\u823912\u53ea\uff08\u53ef\u4ee5\u4e584\u00d712=48\u4eba\uff09\uff0c\u82b1\u8d3920\u00d712=240\uff08\u5143\uff09\u4ece\u4ee5\u4e0a\u8ba1\u7b97\u53ef\u4ee5\u770b\u51fa\uff0c\u591a\u79df\u5927\u8239\uff0c\u5c11\u79df\u5c0f\u8239\uff0c\u7a7a\u7684\u4f4d\u7f6e\u8d8a\u5c11\uff0c\u82b1\u8d39\u8d8a\u5c11\uff0c\u6240\u4ee5\u79df\u5927\u82397\u53ea\uff0c\u9700\u5c0f\u82391\u53ea\uff0c\u82b1\u8d39188\u5143\u6700\u5212\u7b97\uff0e
\u62d3\u5c55\u8d44\u6599\u70b9\u8bc4\uff1a\u5bf9\u4e8e\u89e3\u51b3\u65b9\u6848\u95ee\u9898\uff0c\u6ce8\u610f\u9898\u76ee\u4e2d\u8574\u542b\u7684\u6761\u4ef6\u548c\u6570\u636e\uff0c\u901a\u8fc7\u5177\u4f53\u7684\u8ba1\u7b97\uff0c\u627e\u51fa\u6700\u4f18\u5316\u7684\u65b9\u6848\uff0e
47+3=50(\u4eba)
\u5c3d\u91cf\u591a\u79df\u5927\u8239\uff0c
50\u00f76=8\u2026\u20262
\u6240\u4ee5\uff0c\u6700\u591a\u79df9\u6761\u5927\u8239\uff0c
(1)\u79df9\u6761\u5927\u8239\uff0c\u9700\u8981
9\u00d710=90(\u5143)
(2)\u79df8\u6761\u5927\u8239\uff0c1\u6761\u5c0f\u8239\uff0c\u9700\u8981
8\u00d710+8=88(\u5143)
(3)\u79df7\u6761\u5927\u8239\uff0c2\u6761\u5c0f\u8239\uff0c\u9700\u8981
7\u00d710+2\u00d78=86(\u5143)
(4)\u79df6\u6761\u5927\u8239\uff0c4\u6761\u5c0f\u8239\uff0c\u9700\u8981
6\u00d710+4\u00d78=92(\u5143)
\u2026\u2026
\u663e\u7136\uff0c(3)\u662f\u6700\u7701\u7684
租6条大船、2条小船最省钱，共花费6x10+2x8=76（元）
绛旓細3绉嶆柟妗: 澶ц埞5鏉★紝 锛 5 6x5=30锛 灏忚埞0鏉 锛 4 锛6x4=24 x 锛 3 ' 6x3=18锛30-18=12锛屽皬鑸3鏉 锛 2 锛6x2=12锛寈 锛 1 锛6x1=6锛30-6=24锛屽皬鑸6鏉°
绛旓細璁澶ц埞x锛灏忚埞y 5x+3y=36 x>0锛寉>0 y=-5/3x+12 x1=3锛寉1=7 X2=6锛寉2=2 x3=0锛寉3=12
绛旓細鏈灏8鏉¤埞銆傚嵆6鑹澶ц埞銆2鑹灏忚埞銆傛渶澶12鏉¤埞銆傚叏閮ㄥ皬鑸广
绛旓細12涓灏忚埞 3涓澶ц埞锛7涓皬鑸 6涓ぇ鑸癸紝2涓皬鑸广
绛旓細绉6澶2灏忔柟妗堟渶鐪侀挶锛6X10=60鍏冿紝2X8=16鍏冿紝鍏遍渶绉熼噾60+16=76鍏冿紝鍏跺畠浠绘剰缁勫悎鐨勬柟妗堟墍闇绉熼噾閮戒細澶т簬76鍏冦
绛旓細涓ょ鏂规 1銆澶ц埞3鏉★紝鍧15浜猴紝灏忚埞7鏉★紝鍧21浜猴紱鍏10鏉 2銆佸ぇ鑸6鏉★紝鍧30浜猴紝灏忚埞2鏉★紝鍧6浜猴紱鍏8鏉
绛旓細閮戒箻澶ц埞锛氾紙62+4锛/5=66/5=13...1锛13+1锛墄30=14x30=420鍏 濡傛灉65浜轰箻澶ц埞锛屽墿浣欑殑62+4-65=1浜轰箻灏忚埞锛13x30+1x21=411鍏冮兘涔樺皬鑸癸細锛62+4锛/3=66/3=2222x21=462鍏 濡傛灉60浜轰箻澶ц埞锛屽墿浣欑殑62+4-60=6浜轰箻灏忚埞60/5=126/3=212x30+2x21=360+42=402鍏402鍏冨皬浜411鍏冦420鍏冦...
绛旓細澶ц埞绉6鏉 5*6=30 灏忚埞绉2鏉 2*3=6
绛旓細6澶ц埞 銆2灏忚埞
绛旓細6鏉澶ц埞,2鏉灏忚埞.
