一。填空题 0x123 转 10进制 = 1 +2 + 32 + 256 = 291 1 0010 0011 2048 1024 512 256 128 64 32 16 8 4 2 1 2.数组a [ ] [3] ={1, 2, 3, 4, 5, 6}，a[1] [2] = 6 #include <stdio.h>int main(void) { int a[][3]={1,2,3,