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主要内容

指数的性质 (有理指数)

问题

把式子写成y, start superscript, n, end superscript的形式.
left parenthesis, y, start superscript, start superscript, minus, start fraction, 1, divided by, 2, end fraction, end superscript, end superscript, right parenthesis, start superscript, 4, end superscript, equals
不会做了?
不会做了?