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許雅婷 寫到:請大家幫我解下面的題目~~拜託拜託!!!!#ed_op#br#ed_cl##ed_op#br#ed_cl##ed_op#br#ed_cl#1.米缸裡有米45公斤，平均每天吃掉2又5分之2(←分數)公斤，共可吃多少天？剩下多少公斤？#ed_op#br#ed_cl#2.一條繩子的45分之34(←分數)是20又5分之2(←分數)公尺，這條繩子的全長是多少公尺？#ed_op#br#ed_cl#3.甲地到乙地距離6公里，小名花了24分鐘，乙地到丙地距離8公里，小名花了26分鐘，小名從甲地到乙地的平均速度是多少？#ed_op#br#ed_cl##ed_op#br#ed_cl##ed_op#br#ed_cl#拜託大家幫我解嚕~~~[/code]

#ed_op#br#ed_cl#1. 2#ed_op#sup#ed_cl#5#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#2#ed_op#/sub#ed_cl#=(2*2+5)/2, 答案= 45 / [(2*2+5)/2] ...(自己計吧...)#ed_op#br#ed_cl#2. x * #ed_op#sup#ed_cl#45#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#34#ed_op#/sub#ed_cl# = 20#ed_op#sup#ed_cl#5#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#2#ed_op#/sub#ed_cl#, x = (20*2+5/2) / (45/34)#ed_op#br#ed_cl#3. (24+26) / (6+8)#ed_op#br#ed_cl#

#ed_op#br#ed_cl#大件事...老貓燒鬚---全部分數都上下倒轉了~~~:P:P:P#ed_op#br#ed_cl#1. 2#ed_op#sup#ed_cl#2#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl#=#ed_op#sup#ed_cl#(2*5+2)#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl#=#ed_op#sup#ed_cl#12#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl#, 答案= 45/(#ed_op#sup#ed_cl#12#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl#) = #ed_op#sup#ed_cl#45*5#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#12#ed_op#/sub#ed_cl# = #ed_op#sup#ed_cl#75#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#4#ed_op#/sub#ed_cl# = 18#ed_op#sup#ed_cl#3#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#4#ed_op#/sub#ed_cl# =18天剩#ed_op#sup#ed_cl#3#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#4#ed_op#/sub#ed_cl#公斤#ed_op#br#ed_cl#2. x * #ed_op#sup#ed_cl#34#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#45#ed_op#/sub#ed_cl# = 20#ed_op#sup#ed_cl#2#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl# = #ed_op#sup#ed_cl#102#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl#, x =(#ed_op#sup#ed_cl#102#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl#)/(#ed_op#sup#ed_cl#34#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#45#ed_op#/sub#ed_cl#)=(#ed_op#sup#ed_cl#102#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5#ed_op#/sub#ed_cl#)(#ed_op#sup#ed_cl#45#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#34#ed_op#/sub#ed_cl#)= #ed_op#sup#ed_cl#102*45#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#5*34#ed_op#/sub#ed_cl# =3*9=27#ed_op#br#ed_cl#3.  (6+8) / (24+26) = 14/50 = 28/100 = 每分鐘0.28公里#ed_op#br#ed_cl##ed_op#br#ed_cl#
#ed_op#br#ed_cl##ed_op#br#ed_cl#致#ed_op#span class="name"#ed_cl#許雅婷：#ed_op#br#ed_cl#十萬個對不起...........#ed_op#br#ed_cl##ed_op#/span#ed_cl#

謝謝你悠

許雅婷 寫到:請大家幫我解下面的題目~~拜託拜託!!!!#ed_op#br#ed_cl##ed_op#br#ed_cl##ed_op#br#ed_cl#1.米缸裡有米45公斤，平均每天吃掉2又5分之2(←分數)公斤，共可吃多少天？剩下多少公斤？#ed_op#br#ed_cl#2.一條繩子的45分之34(←分數)是20又5分之2(←分數)公尺，這條繩子的全長是多少公尺？#ed_op#br#ed_cl#3.甲地到乙地距離6公里，小名花了24分鐘，乙地到丙地距離8公里，小名花了26分鐘，小名從甲地到乙地的平均速度是多少？#ed_op#br#ed_cl##ed_op#br#ed_cl##ed_op#br#ed_cl#拜託大家幫我解嚕~~~[/code]

#ed_op#br#ed_cl#1. 2#ed_op#sup#ed_cl#5#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#2#ed_op#/sub#ed_cl#=(2*2+5)/2, 答案= 45 / [(2*2+5)/2] ...(自己計吧...)#ed_op#br#ed_cl#2. x * #ed_op#sup#ed_cl#45#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#34#ed_op#/sub#ed_cl# = 20#ed_op#sup#ed_cl#5#ed_op#/sup#ed_cl#/#ed_op#sub#ed_cl#2#ed_op#/sub#ed_cl#, x = (20*2+5/2) / (45/34)#ed_op#br#ed_cl#3. (24+26) / (6+8)#ed_op#br#ed_cl#

請大家幫我解下面的題目~~拜託拜託!!!!


1.米缸裡有米45公斤，平均每天吃掉2又5分之2(←分數)公斤，共可吃多少天？剩下多少公斤？
2.一條繩子的45分之34(←分數)是20又5分之2(←分數)公尺，這條繩子的全長是多少公尺？
3.甲地到乙地距離6公里，小名花了24分鐘，乙地到丙地距離8公里，小名花了26分鐘，小名從甲地到乙地的平均速度是多少？


拜託大家幫我解嚕~~~[/code]