题目内容
9+8= | 35-5= | 5+7-3= | 12-4+5= |
16-9= | 13-8= | 11-6= | 5+9= |
13+3= | 18-9= | 20-8= | 16-7= |
16-9-6= | 4+7+8= | 17-9-5= | 80+5-5= |
5+9-7= | 17-8-9= |
解:
分析:本题根据整数加法与减法的运算法则计算即可.
点评:完成本题在保证做题质量的同时,要注意提高做题的速度.
9+8=17, | 35-5=30, | 5+7-3=9, | 12-4+5=13, |
16-9=7, | 13-8=5, | 11-6=5, | 5+9=14, |
13+3=16, | 18-9=9, | 20-8=12, | 16-7=9, |
16-9-6=1, | 4+7+8=19, | 17-9-5=3, | 80+5-5=80. |
5+9-7=7, | 17-8-9=0, |
分析:本题根据整数加法与减法的运算法则计算即可.
点评:完成本题在保证做题质量的同时,要注意提高做题的速度.
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