甲、乙、丙、丁四個(gè)建筑隊(duì)共筑1200米長(zhǎng)的一段路,甲隊(duì)筑的路是其他三隊(duì)的1/3,乙隊(duì)筑的路是其他三隊(duì)的1/5,丙隊(duì)筑的路是其他三隊(duì)的1/4,丁隊(duì)筑路多少米?
甲、乙、丙、丁四個(gè)建筑隊(duì)共筑1200米長(zhǎng)的一段路,甲隊(duì)筑的路是其他三隊(duì)的
,乙隊(duì)筑的路是其他三隊(duì)的
,丙隊(duì)筑的路是其他三隊(duì)的
,丁隊(duì)筑路多少米?
優(yōu)質(zhì)解答
1200×(1-
-
-
)
=1200×(1-
-
-
),
=1200×
,
=460(米).
答:丁隊(duì)修路460米.
我來(lái)回答
類似推薦
- 甲乙丙丁四個(gè)筑路隊(duì)筑1200米長(zhǎng)的一緞公路,甲隊(duì)筑的路是其它三個(gè)隊(duì)的2分之一乙隊(duì)筑的路是其它三個(gè)隊(duì)的3...
- 甲、乙、丙、丁四個(gè)建筑隊(duì)共筑1200米長(zhǎng)的一段路,甲隊(duì)筑的路是其他三隊(duì)的1/3,乙隊(duì)筑的路是其他三隊(duì)的1/5,丙隊(duì)筑的路是其他三隊(duì)的1/4,丁隊(duì)筑路多少米?
- 甲乙丙丁四個(gè)筑路隊(duì)筑1200米長(zhǎng)的一段公路,甲隊(duì)筑的路是其他三個(gè)隊(duì)的二分之一,乙筑的是其他三個(gè)隊(duì)的三分
- 甲、乙、丙、丁四個(gè)筑路隊(duì)同時(shí)修1200米長(zhǎng).的一段公路,甲隊(duì)修的是其他三隊(duì)的2分之1,乙隊(duì)修的是其他三隊(duì)的3分之1,丙隊(duì)修的是其他三隊(duì)的4分之1.問(wèn):了隊(duì)修路多少米?
- 甲乙丙丁4個(gè)修路隊(duì)和修一條路,甲修了其他3個(gè)隊(duì)的一半,乙修了另外3個(gè)隊(duì)的3分之1,丙修了另外3各隊(duì)的3分之1,丙修了另外3各隊(duì)的4分之1,丁修了91米,問(wèn),這條路長(zhǎng)多少千米?
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語(yǔ)翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個(gè)數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯(cuò)