麻烦做一道程序题vfpset talk offSTORE "VFP教程”TO XYCLEARN=1 M=3DO WHILE N

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麻烦做一道程序题vfpset talk offSTORE "VFP教程”TO XYCLEARN=1 M=3DO WHILE N
麻烦做一道程序题vfp
set talk off
STORE "VFP教程”TO XY
CLEAR
N=1 M=3
DO WHILE N

麻烦做一道程序题vfpset talk offSTORE "VFP教程”TO XYCLEARN=1 M=3DO WHILE N
最后一行写错了吧,应该是?SUBSTR(XY ,1, 5),答案为:
VFP
教程
VFP教