三年级上册口算题-万以内的加法和减法练习
奥数网
2017-02-21 15:32:30
(1)8999 - 6441 =
(2)9273 - 4867 =
(3)3712 - 1858 =
(4)383 + 6759 =
(5)226 + 2314 =
(6)764 + 1275 =
(7)357 + 3054 =
(8)950 + 4636 =
(9)2688 + 1488 =
