因为5a=6b,所以a∶b=6∶5. ( )
甲用1小时走完一段路,乙用3小时走完一段路,甲和乙的速度比是3:1()
人气:272 ℃ 时间:2019-10-24 10:40:35
解答
因为5a=6b,所以a∶b=6∶5. (错 )
a=b=0时,a∶b无意义
甲用1小时走完一段路,乙用3小时走完一段路,甲和乙的速度比是3:1(对)
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