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1. Solution: Set the original A ton of goods.

1-1/5)a+9=(1+1/4)a

4/5a-5/4a=-9

9/20a=-9

A = 20 2, solution: set the original b tons of goods.

1-1/5)b+9=(1-1/6)b

4/5b-5/6b=-9

1/30b=-9

b = 2703, solution: set the oil original c kilograms.

1-5/9)c+14=4/5c

4/9c-4/5c=-14

16/45c=-14

c=315/8

4. Solution: Set the original d tons of goods.

1-2/5)d+6=3/4d

3/5d-3/4d=-6

3/20d=-6

d=40 Another way:

1 Question 9 (1 4 + 1 5) = 20 tons. 2 Questions: 1-1 5=4 5,1-1 6=5 6,9 (5 6-4 5)=270 tons. 3 Question 14 (4 5-4 9) = kilograms.

4 Questions: 1-2 5=3 5,6 (3 4-3 5)=40 tons.

Let the correct problem be path a, and the wrong or not correct problem is path b, and let the binary equation be scored, then the score is 5a-2b=72, the total problem a+b=20, and the simultaneous solution a=16, b=4!

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1.Farmer and horse 2+4=6

2.People 7 * 2 = 14

3.Big cat 7 * 7 * 7 * 4 = 1372

4.Kitten 7 * 7 * 7 * 7 * 4 = 9604

5.Rats 7 * 7 * 7 * 7 * 7 * 4 = 67228 total: 78224

The coachman has 2 legs plus 7, 14 plus 49 big cats, 196 plus 343 kittens, 1372 kittens plus 2401, and 9605 mice. A total of 11,189 legs. It's not easy to ask for a review.

Mouse legs: 7 7 7 7 7 4 = 67228 (pieces) Kitten legs: 7 7 7 7 4 = 9604 (pieces) Big cat legs: 7 7 7 4 = 1372 (pieces).

Human legs: (7+1) 2=16 (strips).

Horse leg: 1 horse = 4 (strips).

19,474 articles, counting coachmen and horses and people, big cats and kittens and dry food.

Crane's head melon. It is a kind of ornamental gourd, and the gourd family is a gourd genus. Also known as wolftooth melon.

Annual vine herb. The flowers are monoecious, and the fruit resembles the head of a crane. The fruit color is green, and it is a toy pumpkin variety that is only used for ornamentation and cannot be eaten, and it has a long viewing period.

The lower part of the fruit of the crane head gourd is irregular and spherical, strange shape, the surface has obvious ridge lines protruding, showing an irregular concave and convex surface, the color is jet black, the upper part has a slender stalk, and the shape of the whole gourd resembles "crane head". When the fruit is ripe, the hard husk can be used to make containers and crafts, and can also be used as a back-beating fitness object.

Because its appearance resembles the ancient weapon mace, the crane head gourd also has a name - "mace".

Also known as wolf tooth melon, the shape resembles a crane's head, the lower part of the fruit is strangely shaped, it is irregular concave and convex surface, and the color is green with black. It can be eaten when it is tender, but it has extremely high medicinal value, especially for Alzheimer's disease, and it is a very peculiar ornamental gourd variety.

For more information, please see the encyclopedia.