How many square meters is one foot?

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• 1. How long is five foot six
• 2. Five apples weigh 1 kg, which is worth 5 yuan, and 15 oranges weigh 1 kg, which is worth 4 yuan. Now I plan to buy 20 oranges and some apples, so that they weigh less than 4.5 kg and are worth more than 19 yuan. How many apples can I buy This is a linear inequality of one variable
• 3. 5 yuan a catty of apple, 3 yuan a catty of pear, 1 yuan 3 catty of orange, how to use 100 yuan to buy 100 catty of fruit? Who can help answer, thank you~ All three kinds of fruits~
• 4. There are 130 apples in three baskets. The apples in the second basket are three times as many as those in the first basket, and the apples in the third basket are two times as many as those in the second basket. How many apples are there in each basket?
• 5. Banana 1 kg 3 yuan, apple 1 kg 5 yuan, pay 50 yuan to find 14 yuan, ask each how many kg, request is the whole kg
• 6. My mother gave the salesman 50 yuan and 14 yuan for change. It is known that every kilogram of apple is 3 yuan per kilogram and pear is 3 yuan per kilogram. How many kilogram of banana and apple can I buy? Mom bought the whole kilogram
• 7. Apples are 3.5 yuan per kilogram. How much is it to buy 0.5 kg apples?
• 8. The kindergarten teacher gives the children apples and peaches. The number of apples is three times that of peaches. The teacher gives each child five apples and two peaches. When the peaches are finished There are still 20 apples, how many apples
• 9. If each child is divided into five, the last child will get to three and ask how many children have and how many apples
• 10. There is a box of chocolates with 7 grains and 7 grains, 4 grains left, 5 grains and 5 grains left, 3 grains and 3 grains left. How many grains does this box have at least?
• 11. How much cm is five feet eleven? Such as the title
• 12. Applying this rule, when a number is multiplied by 0.25, use this number (); when a number is divided by 0.25, use this number ()
• 13. XX said: add 17 to my age and divide it by 4. Subtract 15 and multiply it by 10. It happens to be 100 years old. How old is this old man
• 14. An old man, his age plus 16, divided by 5, then subtracted 10, finally multiplied by 10, is exactly 100 years old, how old is the old man?
• 15. An old man said, my age plus 17 is divided by 4, and then minus 15 is multiplied by 10. It happens to be 100 years old. How old is this old man?
• 16. 1+2+3+4+…… +Is the sum of 1998 + 1999 odd or even? 1 × 2 + 3 × 4 + 5 × 6 + 7 × 8. + 199 × 200 odd or even?
• 17. 1×2+3×4+5×6+…… +Is the result of 99 × 100 odd or even? Why?
• 18. The content is as follows: the courier wants to deliver a package to a customer on the 10th floor. He just meets the elevator maintenance. It takes him two minutes to walk from the 1st floor to the 5th floor. How much time does it take for him to go from the 5th floor to the 17th floor at the same speed,
• 19. There are two water buckets, the small one can hold 4kg of water, and the large one can hold 11kg of water. It can't be weighed by scales. How can these two water buckets hold 5kg? (please write down the design idea)
• 20. A rectangular carton with a square bottom is just a square with a side length of 6 decimeters. How much cardboard does it need to make this carton