科技小组用500粒种子进行发芽实验,485粒种子发芽了,种子的发芽率是多少?
人气：356 ℃ 时间：2019-08-22 15:00:26
解答
发芽率等于发芽种子数除以总数乘100%
（485÷500）×100%
=0.97×100%
=97%
答：种子发芽率是97%
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