求大神解这道题啊!!急 10
2016-03-27
展开全部
1,20.1亿千瓦时➗30万千瓦➗4➗24=70天
2,20.1➗26.8x100%=75%
3,20.1x90%➗75%➗26.8x100%=90%
4,30x4x10x3600x10000000=mgh=pgVh
V=30x4x10x3600x10000000/(1000x10x100)=0.432亿立方米
2,20.1➗26.8x100%=75%
3,20.1x90%➗75%➗26.8x100%=90%
4,30x4x10x3600x10000000=mgh=pgVh
V=30x4x10x3600x10000000/(1000x10x100)=0.432亿立方米
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