1.
dim a(9) as integer, i as integer, j as integer

for i = 1 to 9
a(i) =i
next i

for i = 1 to 9
for j= i to 9
print cstr(a(i)) + " * " + cstr(a(j))+" = " + cstr(a(i)* a(j))
next j
next i

2。这个题目有必要用到2维数组吗？