班级： 学号： 姓名： 得分：
1、能简便的要用简便方法。
× 8 ＋ × 4 － 24×( ＋ － ) × ＋ ×
13－13 × ×99＋ 87 × －÷＋
30×( ＋ )×24 6×( － )×5 6÷( 12 × ) ×2006
( + )÷ ÷( + ) （＋）÷ 24÷( + )
×÷× ×÷× 4÷－÷4 ÷＋÷
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![](https://wkrtcs.bdimg.com/rtcs/image?w=22&md5sum=6393b9bc7eb0049c10fe8ea601d10a4f&sign=f9b113d6b3&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=184&ipr={"t":"img","w":"22","h":"43","c":"6b947573d14816876763af57c7a89b2e.png"})
