三年级数学上册竖式300题(共20页)

291 × 7 =40 ÷ 2 =232 + 517 =542 × 7 =717 + 142 =927 × 5 =19 ÷ 9 =869 + 145 =559 × 7 =817 + 154 =221

腾讯文库三年级数学上册竖式300题(共20页)