Use 1 / 8, 0.4, 8 and 1 / 2 to form a proportional formula·····

8 × 1 / 8 is not equal to 0.4 × 1 / 2
These four numbers can't form a proportional expression

RELATED INFORMATIONS

1. The ratio of 0.25, 3 / 5, 1 / 8 and 6 / 5
2. Write out the two ratios whose ratio is 0.2, and then form the formula
3. Write down the two ratios whose ratio is 1 / 2. What are their respective ratios and what are the constituent ratios? 2: 4 and 3:6 2:4 = 3:6
4. Write two ratios of 0.6 and make up the proportion. Write the proportion formula
5. Write the ratio is the ratio of 0.5______ ．
6. Write two ratios that are 3 / 8 and put them in proportion
7. Write two ratios of 5 and make up the ratio It's ten percent faster,
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12. The proportion formula is composed of 3 / 2, 2 / 1, 6 / 1 and 8 / 1
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14. There are arrays {1, 2, 3, 4}, {2, 4, 6, 8}, {3, 6, 9, 12} Then the sum of the four numbers in the 100th array is______ ．
15. 4 / 3 2 / 1 6 / 1 and 2.25 make up a ratio ()
16. 1. Use 2 / 9, 3 / 5 and a number to form a proportional expression, which may be () (not innumerable)
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