无
*注意事项:
=
÷ =
8﹣ =
6× =
﹣ =
× =
÷3=
+ × =
×4× =
×0=
×75%=
① ②0.62③62.1%④ .
①参加体育兴趣小组的同学比参加音乐小组的同学多多少人?
②参加其它兴趣小组的同学有多少人?
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