问题 解答题
笔算下面各题.
221×16=
307×26=183×15=135×24=
58×912=408×25=315×47=508×15=
236×43=208×56=720×42=480×50=
答案

221×16=3536307×26=7982183×15=2745135×24=3240
58×912=52896408×25=10200315×47=14805508×15=7620
236×43=10148208×56=11648720×42=30240480×50=24000
故答案为3536,7982,2745,3240;

52896,10200,14805,7620;

10148,11648,30240,24000.

单项选择题
单项选择题