1.(1)② (2)③ (3)② (4)① (5)② 2. 56 70 90 120 13 600 81 27 10 25 36 45 3. 926 795 611 4. 377 989 5. < = >苏教版练习与测试小学数学二年级下册答案第56页 http://m.ksjqmj.com/ernianjidaan/4262.html 推荐访问