将二进制数101110（2）化为十进制，结果为 ______ ．
46
解：因为二进制数101110（2）化为十进制即: 101110（2）=1=
补办评定残疾应提交哪些资料？
A number of bricks were purchased to build a fireplace, at a cost of 40 cents each, but only
of them were needed. If the unused 190 bricks were returned and their cost refunded, what was the cost of the bricks used to make the fireplace
of them were needed. If the unused 190 bricks were returned and their cost refunded, what was the cost of the bricks used to make the fireplace