计算:(1)-13+(+48)-(-5)(2)(-56)÷(-14+7)+(-3 发布时间:2017-05-02 19:45 │ 来源:www.tikuol.com 题型:解答题 问题: 计算:(1)-13+(+48)-(-5)(2)(-56)÷(-14+7)+(-3)×2(3)(16+59-712)×(-36) (4)-14+16×[3-(-3)2].
题型:解答题 Her mother is out. She has to ______ her sister at home. [ ]A. look over B. look up C. look after D. look out 查看答案