1: ⑴ √ ⑵ × ⑶ √ ⑷ × 2: 18.84÷3.14÷2=3(米) 1/3x3x3.14x2.4 = 1/3x9x3.14x2.4 =22.608(立方米) 答:它的体积是22.608立方米。苏教版六年级下册数学练习与测试答案第20页 http://m.ksjqmj.com/liunianjidaan/292.html 推荐访问