三年级上册口算题-三年级一位数乘整十数
奥数网
2017-02-21 15:38:07
(1)6 × 30 =
(2)60 × 7 =
(3)40 × 8 =
(4)90 × 2 =
(5)5 × 70 =
(6)7 × 80 =
(7)50 × 8 =
(8)9 × 30 =
(9)70 × 9 =
