把72方三合土铺在宽十二米的路基上,铺15米后，可铺多少米长的路面？
72\u65b9\u4e09\u5408\u571f\u94fa\u5728\u5bbd12\u7c73\u7684\u8def\u57fa\u4e0a\uff0c\u94fa15\u7c73\u540e\u3002\u53ef\u94fa\u51e0\u7c73\u957f\u7684\u8def\u9762\u3002\u56de\u7b54\u6bd4\u91c7\u7eb3\u3002
300\u7c73\uff0c\u8ba1\u7b97\uff1a1\u3001\u534a\u5f84\uff1a37.68/3.14/2=6\u7c73\uff0c2\u3001\u4f53\u79ef\uff1a3.14*6*6*5/3=188.4\u7acb\u65b9\uff0c3\u3001\u94fa\u957f\u5ea6\uff1a188.4/15.7/.04=300\u7c73\u3002
没有厚度咋算？是15厘米厚么？72÷12×0.15＝40米
72/15/12=0.4
绛旓細2. 鍑犲垎涔7 锛 0.7 =7/10 7/11<0.7 3. 0.54 锛 鍑犲垎涔6 27/50>6/12 0.54>6/13 4.鎶72鏂逛笁鍚堝湡閾哄湪瀹12绫崇殑璺熀涓婏紝閾15cm鍘氾紝鍙摵锛 400锛夌背闀跨殑璺潰銆5.浣充匠涔版棭椁愰ゼ鏈変互涓嬩笁绉嶉夋嫨銆侫.800g瑁咃紝24/鍖 B.400g瑁咃紝12.8/鍖 C.300g瑁咃紝12鍏/鍖 800+800+400(1)800...
绛旓細绾7鍘樼背
绛旓細鍘氬害=100梅105梅12鈮0.08绫=8鍘樼背
绛旓細绛旓細澶х害鍙互閾0.07绫冲帤銆
绛旓細100梅锛120脳12锛=100梅1440 =72鍒嗕箣5鈮0.069锛坢)鍙互鎶100绔嬫柟绫崇湅鍋氭垚涓涓暱鏂逛綋鐨勪綋绉紝闀夸负120锛屽涓12锛屼綋绉櫎浠ュ簳闈㈢Н绛変簬瀹
绛旓細鍦ㄧ嚎绛夊緟,瑕佺瓟妗 30 2019-03-24 宸ヤ汉浠妸280鏂逛笁鍚堝湡鍧囧寑鐨閾哄湪闀400绫冲2绫崇殑璺戦亾,鍙互... 7 2015-05-11 闃冲厜灏忓淇瓚涓鏉￠暱100绫,瀹12绫崇殑鐩磋窇閬撻渶瑕侀摵涓婁竴灞0... 12 2019-04-09 甯屾湜灏忓瑕佷慨寤轰竴涓暱100绫,瀹70绫崇殑闀挎柟褰㈡搷鍦,鍑嗗鍏堥摵... 105 鏇村...
绛旓細100梅105梅12=5/63绫
绛旓細30梅60梅5=0.1锛绫锛夌瓟锛氬彲閾0.1绫冲帤銆
绛旓細80梅(200X10)=80梅2000 =0.04(m)绛:鑳介摵0.04绫冲帤銆
绛旓細鐞嗚涓婄殑绠楁硶鏄100闄や互100闄や互10 绛変簬0.1M 涔熷氨鏄彲閾1鍒嗙背鍘氥傚彲浠ユ妸閾鸿繃涓夊悎鍦熺殑闀挎柟褰㈣窇閬撶湅鎴愪竴涓暱鏂逛綋 杩欎釜闀挎柟浣撶殑浣撶Н灏辨槸100绔嬫柟绫筹紝鍘氬害鍗虫槸杩欎釜闀挎柟浣撶殑楂樺害锛岀敱姝ゅ彲寰 鍙互閾1鍒嗙背鍘氥
