I. Fill in the blanks (***2 1)
(where the 7th, 8th, 9th, 10, 1, 12 are1and the rest are 0.5).
The product of 1 3. 15×0.28 has a decimal place (), and the quotient of 76. 14÷ 1.8 is ().
2. A number (except 0) is multiplied by a number greater than 1, and the product is greater than the original number ().
The quotient of dividing two numbers is 56.7. If the dividend and divisor are expanded by 20 times, the quotient is ().
4.3.43535 ... is called () decimal, or it can be called () decimal. Write () in a simple way, and its loop segment is (). Keep two decimal places is ().
4. Fill in ">" in ○ below. " & lt""="。
756×0.9○756 4.25× 1. 1○4.25
a×0.87○0.87×a 5.04÷6○ 1
6.a.a can be written as () or read as (), which means ().
7. There are m jiaozi, each containing 10, which can hold () plates.
8. Xiaoying uses 80 kwh of electricity this month, and the electricity fee is C yuan, so the electricity fee per kwh is () yuan.
9. There are 50 students and 50-c girls in a class, where C stands for ().
10, a book has a page, and Zhang Hua reads 8 pages every day for b days. The number of unread pages is ().
1 1. Uncle Wang processes one part every hour and C parts in t hours. The quantitative relationship is represented by letters: t= (). If 25 parts are processed per hour, 100 parts can be processed in () hours.
12, Aunt Wang wrapped the gift box with a 25-meter-long red ribbon. Each gift box should use 1.5m long ribbon, and these red ribbons can hold () gift boxes.
13. Fill in the appropriate numbers or letters in □ according to the algorithm.
3χ+5χ=(□+□) □
( 1.5× 1.2)×□= 1.2×(□×6)
(a+3.5)×4=□×□+□×4
a+(2+c)=(□+□)+□
14 and 0.585 0.58 0.585 0.588, the number of is (), and the smallest number is ().