3/4乘2/9乘5/626+(86-59)=53怎么列竖式式?


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脱式计算。1/8×14÷8/7等于多少写出方法?9/14所以小括号5/6-3/4括住乘7/24。0 1. 1/8*14/8/7=7/4/8/7=7/4*7/8=49/*322. 9/14/(6/5-3/4)*7/24=9/14/9/20*7/24=9/14*20/9*7/24=20/14*7/24=5/12第三小题题目再发准确点行吗 (-7/9+5/6-3/4)÷1/36-8÷(-3)的2次方等于写出算式 =(-7/9+5/6-3/4)×36-8÷9=(-7/9)×36+5/6×36-3/4×36-8÷9=-28+30-27-8/9=-25又8/9 副号1-1/4×8/9括号除以7/9脱式计算 (-1-1/4×8/9)÷7/9=(-1×9/7)-(1/4×9/7)×(8/9×9/7)=-9/7-9/28×8/7=-36/28-9/28×8/7=-36/28-36/98=-63/49-18/49=-81/49 解方程2X+5/14=1/7乘6 X乘5/7除5/14=7/8 怎样渐变就怎样计算8/13除7+1/7乘5/13 [1-(1/4+3/8)]除1/4 一份财富都不够,谁帮你答啊 3/4-5/8括住乘4/7+3/14括住用简便方法怎么计算 3/4-5/8括住乘4/7+3/14括住用简便方法怎么计算3/4-5/8括住乘4/7+3/14括住=3/4-5/8*(8/14+3/14)=3/4-5/8*11/14=3/4-55/112在通分计算即可 1=5/8乘8/5=( )乘а=( )乘0.5=( )加1/3=( )乘7/4(а不等于0 1:a 2 3 4:7 脱式计算 7/8x2/3x9/14 (5/9-1/3)÷8/15 (1+1/4)÷(1-1/4) 7/8x2/3x9/14解:原式=7/8x3/7=3/8(5/9-1/3)÷8/15解:原式=(5/9-3/9)÷8/15=2/9x15/8=5/12(1+1/4)÷(1-1/4)解:原式=5/4÷3/4=5/4x3/4=5/3 9/14÷(5/6减3/4)乘7/24 =9/141/12*7/24=54/7*7/24=27/12 9/8乘以中括号3/4减效果好7/10减1/4的差等于多少? 9/8×[3/4-(7/10-1/4)]=9/8×[3/4-7/10+1/4]=9/8×[3/4+1/4-7/10]=9/8×3/10=27/80 1/4除以7/6乘5/2除以3/8乘7/5等于8/25 哪个符号错了 1/4÷7/6×5/2÷3/8×7/5=8/25应该是1/4÷7/6÷5/2÷3/8×7/5=8/25}

先化简,在求比值。54;4540分之0.052005年我国公路运输货物大约是137万吨,比铁路运输货物量的5被还多2万吨。2005年我国铁路运输货物大约是多少吨?师徒两人...
先化简,在求比值。 54;45 40分之0.05 2005年我国公路运输货物大约是137万吨,比铁路运输货物量的5被还多2万吨。2005年我国铁路运输货物大约是多少吨? 师徒两人一起加工零件。师傅每小时加工零件的个数是徒弟的1.2被,师傅一共比徒弟多加工了70个零件。师傅和徒弟各加工零件多少个?
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(2/3-4/9乘3/8)除以7/16=(2/3-6|1)除以7/16=1|2×7|16=7|323/5除以【(3/4-2/3)除以5/6】=62005年我国公路运输货物大约是137万吨,比铁路运输货物量的5被还多2万吨。2005年我国铁路运输货物大约是多少吨设铁路运输x万吨5x+2=137x=2727万吨=270000吨师徒两人一起加工零件。师傅每小时加工零件的个数是徒弟的1.2被,师傅一共比徒弟多加工了70个零件。师傅和徒弟各加工零件多少个?设徒弟每小时加工X个,师傅每小时1.2x个x+70=1.2xx=3501.2x=42054;45 =6比540分之0.05 1比800
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收起3/5除以【(3/4-2/3)除以5/6】等于3/5除以【(9/12-8/12)除以5/6】............等于6
1.2x-x等于70收起
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a乘以5/6等于b乘以3/2等于c乘以4/5等于d乘以3/8(abcd均不为0),请从大到小的顺序排列abcd这四个数...
a乘以5/6等于b乘以3/2等于c乘以4/5等于d乘以3/8(abcd均不为0),请从大到小的顺序排列abcd这四个数
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5/6 a=3/2 b=4/5 c=3/8 d可得出b=5/9 a=40/72 ac=25/24 a=75/72 ad=20/9 a=160/72 aa=72/72 a所以,当a=0时,a=b=c=d当a>o时,d>c>a>b当a<o时,b>a>c>d
本回答由提问者推荐已赞过已踩过你对这个回答的评价是?评论
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