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Answers to primary school math books
Example 9 Answer: Less than sign. Try it: 9 out of 25 and 5 out of 6 are decimal.

9/25 = 9 ÷ 25 = 0.36 5/6 = 5 ÷ 6 ≈ 0.833

Example 10: 0.3 = 65438+3 divided by 00, 0. 13= 100 divided by 13, 0.2 13= 1000 divided by 2/kloc.

Exercise: Compare the size of two numbers in each principal. 7 in 10 is equal to the sign, 4 in 0.45 and 9 is greater than the sign, and 2 and 0.68 in 3 are less than the sign. . . Exercise 9

1, turn the false fraction into an integer. 12=4 2 10=5 15 15 = 13 52=4 9 54=6 7 1=7.。 . . Question 2: 1, 7/3 = 2 and 1/2, 1 1= 1 and 5/6.

3. Turn the match-fixing score into a belt score. . 1 1=5 and 1, 18=3 and 3/5, 19=2 and 5/7 (alas! It's too much trouble to call. . . . Ask me, make friends first, is this version? Otherwise, everything is in vain ...)