问题
填空题
种400棵树苗,有10棵没有成活,成活率是______.
答案
×100%,400-10 400
=
×100%,390 400
=97.5%;
答:成活率是97.5%.
故答案为:97.5%.
种400棵树苗,有10棵没有成活,成活率是______.
×100%,400-10 400
=
×100%,390 400
=97.5%;
答:成活率是97.5%.
故答案为:97.5%.