优质解答
(1)小于:15,5,15,10,15,10,15,10,10,15,5,15
大于:30,25,35,45,25,30
等于:20,20,20,20,20,20,20,20,20,20,20,20
统计图是条形统计图
(2)15÷570≈3%
5÷570≈0.8%
10÷570≈1%
30÷570≈5% :相同数字一样
25÷570≈4%
35÷570≈6%
45÷570≈8%
20÷570≈4%
(1)小于:15,5,15,10,15,10,15,10,10,15,5,15
大于:30,25,35,45,25,30
等于:20,20,20,20,20,20,20,20,20,20,20,20
统计图是条形统计图
(2)15÷570≈3%
5÷570≈0.8%
10÷570≈1%
30÷570≈5% :相同数字一样
25÷570≈4%
35÷570≈6%
45÷570≈8%
20÷570≈4%