买一箱矿泉水共24瓶,总共花了28.8元,平均每瓶矿泉水多少元?请按淘气的方法解 妈妈买一件矿泉水24瓶,花了18元,每1瓶矿泉水多少钱
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28.8÷24=1.2元/瓶
答:平均每瓶矿泉水1.2元钱。
绛旓細=1.2鍏/鐡 绛旓細骞冲潎姣鐡剁熆娉夋按1.2鍏冮挶銆
绛旓細瑙:璁锛岀熆娉夋按姣忕摱涓篈鍏冿紝鍒24A=36 A=3/2=1.5鍏 绛:鐭挎硥姘翠竴鐡1.5鍏
绛旓細鏍规嵁棰樻剰锛岃璁$畻姣忕摱浠锋牸锛屾讳环鏍间负琚櫎鏁锛岀摱鏁颁负闄ゆ暟锛岃姣忕摱x鍏冿紝鍙互鍒楀嚭寮忓瓙 24脳x=36.x=36梅24=1.5 缁忛獙绠楃粨鏋滄纭傝閲囩撼
绛旓細濡堝涔颁竴浠鐭挎硥姘翠竴鍏24鐡讹紝鑺变簡18鍏冿紝瑕佺畻姣忎竴鐡剁熆娉夋按鑺变簡澶氬皯閽卞氨鍙互鐢ㄨ姳鐨勯挶鏁伴櫎浠ョ熆娉夋按鐨勬荤摱鏁24灏卞彲浠ヤ簡锛18闄や互24绛変簬0.75锛屾墍浠ユ瘡涓鐡剁熆娉夋按0.75鍏
绛旓細1.5鍏冦傞氳繃璁$畻鍙緱锛岄渶瑕佺敤36鍏冮櫎浠24鐡楗枡锛屾渶鍚庡緱鍑轰环鏍间负1.5鍏冩瘡鐡躲傞櫎娉曟槸鍥涘垯杩愮畻涔嬩竴銆傚凡鐭ヤ袱涓洜鏁扮殑绉笌鍏朵腑涓涓潪闆跺洜鏁帮紝姹傚彟涓涓洜鏁扮殑杩愮畻锛屽彨鍋氶櫎娉曘
绛旓細鐒跺悗璁$畻24鐡剁殑鎬讳环銆傚凡鐭ヤ竴鐡剁熆娉夋按鐨勪环鏍硷細14鍏 宸茬煡涓绠辩熆娉夋按鍖呭惈鐨勭摱鏁帮細24鐡 鏍规嵁涓鐡剁熆娉夋按鐨勪环鏍煎拰涓绠辩熆娉夋按鐨勭摱鏁帮紝鍙绠椾竴绠辩熆娉夋按鐨勪环鏍硷細14 \times 24 = 336鍏 鎵浠ワ紝涓鐡剁熆娉夋按鐨勪环鏍间负锛336 / 24 = 14鍏 鎵浠锛24鐡鐭挎硥姘寸殑鎬讳环涓猴細24 \times 14 = 336鍏 ...
绛旓細涓绠辩熆娉夋按24鐡鎬婚12鍏冿紝骞冲潎0.5鍏/鐡讹紝鍗12梅24=0.5鍏冿紝涓鐡0.5鍏冦
绛旓細3脳24脳2=72脳2=144锛堝厓锛夛紱绛旓細杩欎簺鐭挎硥姘翠竴鍏瑕佽姳144鍏冿紟
绛旓細24鐡/15鍧=0.625鍏
绛旓細0.8脳24脳32=19.2脳32=614.4锛堝厓锛夌瓟锛涓鍏瑕佽姳614.4鍏冮挶锛