70%/30=80%/X=100%/40,问X是多少?

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70%/30=80%/X=100%/40,问X是多少?70%/30=80%/X=100%/40,问X是多少?70%/30=80%/X=100%/40,问X是多少?这个题目就是错的:70%/30=100

70%/30=80%/X=100%/40,问X是多少?
70%/30=80%/X=100%/40,问X是多少?

70%/30=80%/X=100%/40,问X是多少?
这个题目就是错的:
70%/30=100%/40 ,对吗?

恩,错的。出题的那个人有病吧!!!!