[10-20 18:08:01] 来源:http://www.67xuexi.com 小学三年级数学学习 阅读:85909次
(1)40 × 40 = (2)82 × 90 = (3)92 × 60 = (4)18 × 80 =
(5)30 × 81 = (6)96 × 80 = (7)50 × 86 = (8)13 × 10 =
(9)10 × 20 = (10)30 × 26 = (11)30 × 62 = (12)88 × 40 =
(13)88 × 30 = (14)60 × 45 = (15)70 × 65 =