4、 Find the sum of all nonnegative integers whose absolute value is less than 3.1 5、 Fill in the blanks; Comparison size: - 5 (& nbsp;) - 11; - 7 / 6 (& nbsp;) - 5 / 6; - 100 (& nbsp;) 0 Comparison size: (- 7) (& nbsp;) | - 7 | - | - 15 | - (+ 12) Integers with absolute values less than 2.5 are & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;) 1. The smallest of the following numbers is (& nbsp; & nbsp;) A.0            B.-|-7|         C.-(-13)          D.-(+9) 2. The following conclusions are correct A. - 2.2 & gt; 2.2 & nbsp; & nbsp; & nbsp; B. - 2.2 & gt; - 2.2 & nbsp; & nbsp; & nbsp; & nbsp; C. - 4 / 5 & gt; - 6 / 5 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; D. - 5 & gt; - 0.02 3. Three brands of flour bags sold in a grain store are marked with the words of (25 ± 0.1) kg, (25 ± 0.2) kg and (25 ± 0.3) kg respectively, from which two bags of different brands are randomly taken out, and their quality is the most different A.0.8kg          B.0.5kg         C.0.6kg          D.0.4kg 7、 Answer the question Use "& lt;" to connect the numbers in question 5; Use "& gt;" to connect the opposite numbers in question 5; Use "& gt;" to connect the absolute values of the numbers in question 5

4、 Find the sum of all nonnegative integers whose absolute value is less than 3.1 5、 Fill in the blanks; Comparison size: - 5 (& nbsp;) - 11; - 7 / 6 (& nbsp;) - 5 / 6; - 100 (& nbsp;) 0 Comparison size: (- 7) (& nbsp;) | - 7 | - | - 15 | - (+ 12) Integers with absolute values less than 2.5 are & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;) 1. The smallest of the following numbers is (& nbsp; & nbsp;) A.0            B.-|-7|         C.-(-13)          D.-(+9) 2. The following conclusions are correct A. - 2.2 & gt; 2.2 & nbsp; & nbsp; & nbsp; B. - 2.2 & gt; - 2.2 & nbsp; & nbsp; & nbsp; & nbsp; C. - 4 / 5 & gt; - 6 / 5 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; D. - 5 & gt; - 0.02 3. Three brands of flour bags sold in a grain store are marked with the words of (25 ± 0.1) kg, (25 ± 0.2) kg and (25 ± 0.3) kg respectively, from which two bags of different brands are randomly taken out, and their quality is the most different A.0.8kg          B.0.5kg         C.0.6kg          D.0.4kg 7、 Answer the question Use "& lt;" to connect the numbers in question 5; Use "& gt;" to connect the opposite numbers in question 5; Use "& gt;" to connect the absolute values of the numbers in question 5

4、 6
5、 > < 2, - 1,0,1,2
6、 D C
7、 - 100