第二种定义方法怎么求积呢
<script type="text/javascript">
var num=[[1,2,3,4,5,6],[1,2,3,4,5,6],[1,2,3,4,5,6]]
document.write("数值为"+num[2][0]);
</script>
这样写完该怎么补充才能按要求解题,求积
<script type="text/javascript">
var num=[[1,2,3,4,5,6],[1,2,3,4,5,6],[1,2,3,4,5,6]]
document.write("数值为"+num[2][0]);
</script>
这样写完该怎么补充才能按要求解题,求积
2019-08-15
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