There are () numbers that can be proportional to 3 / 5,1,9 / 100

There are (3) numbers that can be proportional to 3 / 5,1,9 / 100

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1. There are () numbers that can be proportional to 1 / 3,1,9 / 100. Selection: a.0 B.1 C.2 D.3
2. Among the following four groups, the ones that can't form the proportion are () a, 3, 4, 6, 8b, 5, 2, 0.1, 100C, 6, 8, 9 and 10 D. 1 / 6, 1 / 7, 0.6, 0.7
3. 0.32 0.4 proportion of a number in the match
4. Use 0.25, 3 / 4, 8 and another number to form a proportion, which can be () () () It's the same day
5. In a formula, the sum of two external terms is 37, the difference is 13, and the ratio is 5 / 6. The formula can be () Don't solve equations, just formulas and answers, and don't write
6. In a formula, the ratio of two numbers is 2 / 3, and the two internal terms of the ratio are 12 / 6 and 1 / 6 respectively?
7. The sum of two external terms is 37, the difference is 13, and the ratio is 5 / 6
8. In a formula, the sum of the two external terms is 37, the difference is 13, and the ratio of the two ratios is 12 / 5
9. 1 / 2, 1 / 3, 1 / 6 and 1 / 4 of the proportion, can group a few on the group a few, the best group a few!
10. 12: 13 and 6:4______ ．
11. How many numbers can be proportional to 3 / 5, 1, 9 / 100
12. 1.2, 0.9, 1.5, three numbers and () can form a proportion
13. Add three and two-thirds, 0.5 and 20% to form a ratio. The ratio is ()
14. 1 / 4 1 / 5 2.4 3 use these four numbers to form two proportions
15. Using 2594, choose three numbers to form the multiple of 3 and 9 respectively To all, to say those 9, those 3
16. 1.6, 6.4, 2 and 0.5 ()
17. The ratio of 0.125, 0.5, 2 and 8 is different______ And______ ．
18. The number of three ones and eight TENS is ()
19. A number consists of six ones and two tens. This number is___ Its reciprocal is___ ．
20. A number consists of three 1's, four 1 / 10's and six 1 / 1000's. what's the number