增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均仅限一词；2.只允许修改10处，多者（从第11处起）不计分。

    An opening week held in our school last week so that we could show a great achievements we made in art education.

    The art works exhibition went on from Monday to Friday, exhibit the excellent art works, such as paper cuts, paintings and flower arrangements. Both of the art works were created by the students of our school. That attracted the public most was the singing and dancing performances in Friday afternoon. All these activities draw the close attention of the public and parents as well, receiving high praises from the public.

    Through these activity, the public has a better understanding of our school. As a result of ,we all think that the opening week was of great successful.

60元的30%是____元

____千克的80%是76千克

80比50多____%．

一家电信公司给顾客提供两种上网收费方式：方式A以每分0.1元的价格按上网所用时间计算；方式B除收月基费20元外．再以每分0．05元的价格按上网所用时间计费。若上网所用时间为x分．计费为y元，如图．是在同一直角坐标系中．分别描述两种计费方式的函救的图象，有下列结论：
①图象甲描述的是方式A：
②图象乙描述的是方式B；
③当上网所用时间为500分时，选择方式B省钱．
其中，正确结论的个数是

​

   □54÷75的商是两位数，方框中最小能填．