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Anonymous users2024-02-06It's not easy to conspiracy, fifty ways. It's rare for me to list.
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Anonymous users2024-02-05Solution: Set a schedule for x hours.
60×(x-1)=40(x+
60x-60=40x+60
60x-40x=60+60
20x=120
x=6(6-1) 60=300 (km).
Finally, the children of the formula that go in will find the total distance.
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Anonymous users2024-02-04Xiao Ming and Xiao Fang each bought a Ming Tsai type of the same exercise book, when Xiao Ming made 64 pages, Xiao Fang made 24 pages of guesses, Xiao Fang's remaining Qi Zhao pages are just 2 times that of Xiao Ming, how many pages are there in this exercise book? (Column Equation).
There are x pages in this workbook.
x-64)*2=x-24
x=104
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Anonymous users2024-02-03Topic: 1Processing a batch of parts, originally planned to be completed in 15 days, but actually made 30 more per day, and the task was completed in only 10 days, how many parts are in this batch?
The price of a kilogram of soybeans is equal to the price of 8 kilograms of peanuts, and it is known that 1 kilogram of peanuts is more expensive than 1 kilogram of soybeans.
3.A rope is folded three times around the tree for more than 10 cm, if it is folded four times around the tree, it is 20 cm short, find the circumference of the tree and the length of the rope.
4.The students in a certain class all ordered two newspapers, 32 people subscribed to the "Mathematics Newspaper", 40 people subscribed to the "Composition Newspaper", and 26 people subscribed to the "English Newspaper". Q: How many people subscribe to both the Journal of Mathematics and the Journal of English? Answer:
30 10 = 300 (pcs).
300 (15-10) = 60 (pcs).
60 15 = 900 (pcs).
8 yuan) yuan) yuan) 10 + 20) (1 3-1 4) = 360 (m) rope length.
360 1 3-10 = 110 (m) of the perimeter of the tree.
32 + 40 + 26) 2 = 49 (person).
49-40=9 (person).
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Anonymous users2024-02-0215*15*x=20*15*10 The solution is x=40 3 to obtain B than C = 9:12 So let A be 5x, B 9x, C 12x (5+9+12)x=104 x=4 A 20 people.
36 in B and 48 in C.
Let it take x days A does 1 8 every day, B does 1 12 projects every day, C is 1 24 1 = (1 8 + 1 12 + 1 24) * 3 = 1 2 The remaining 1 2 projects (1 12 + 1 24) x = 1 2 solve x = 4 It will take 4 days.
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