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The more equation sub-problems and application problems in the first volume of fifth grade mathematics, the better.
In 2006, Shaoxing county subsidized 1 10,000 poor families with disabilities, and the subsidy fund was 1 10,000 yuan, 2.5 times that of 2003, and about 1.8 times that of 2003.

(1) What is the average subsidy fund for poor disabled families in Shaoxing County in 2006?

(2) What is the subsidy in 2003?

(3) How many poor families with disabilities received subsidies in 2003? (Numbers are reserved as integers)

2. The speed of passenger plane is 870km/h, which is 45km more than that of 1 1 times. What is the speed of the car? (Equation solving)

3. parallelogram plot, with a base length of 65,438+0,200m and a height of about 600m. If you plant wheat in this field, you can get an average of 0.56 kg of wheat per square meter. How many kilograms of wheat can you harvest in this land? How many tons?

A batch of fruits was sent to the fruit market. The delivered apples are 9 10 kg more than pears, and the weight of apples is 1.7 times that of pears. How many kilograms are apples and pears? (Equation solving)

This toy factory can make 5 dolls with 2.6 meters of cloth. After improving the process, each doll can save 0.02m cloth.

(1) How many meters of cloth does each doll need now?

(2) How many dolls can be made from the cloth that originally produced 800 dolls? (1) Cut a 6.4m-long ribbon every1.4m and wrap it in a gift box. How many gift boxes can this ribbon wrap? (4 points) (2) The school held a painting and calligraphy competition, and 75 people won prizes in the fourth and fifth grades, of which the number of winners in the fifth grade was 1.5 times that of the fourth grade. How many students won prizes in Grade Four and Grade Five respectively? (Solution of equation) (4 points) (3) A trapezoidal wheat field with an upper bottom of 76 meters, a lower bottom of 120 meters and a height of 50 meters. A * * * harvests 93 10 kg of wheat. How many kg of wheat is harvested per square meter on average? (4 points) (4) Mom went to the vegetable market and bought 4 Jin of tomatoes and some eggs at 3 1 yuan. Among them, tomatoes are bought in 20 yuan. If there are 4.4 yuan eggs per kilogram, how many kilograms of eggs does mother buy? What other math questions do you ask? Parallel solution. (5 points)

Solve the following equation (3 points for each question) (1) 6 χ+15× 7 =141.22 χ ÷ 2.8 = 8.2 (3)1.4 χ-0.7 χ.