题目内容
看谁算得又对又快. 4+6= |
13-10= | 15-4= | 90+10= | 18-8= |
8+5= | 16-6= | 7+6= | 8+4= | 30-5= |
6+7= | 9-3= | 4+9= | 7+8= | 5+7= |
10-3= | 8+8= | 20+6= | 6+9= | 12+8= |
5+0= | 100+100= | 8+3= | 8+9= | 15+4= |
6+8= | 2+9= | 20-1= | 3+8= | 13-5= |
50-50= | 60-50= | 4+8= | 5+9= | 7+7= |
7+10-4= | 8+2+6= | 4+9+6= | 14-9+15= | 18-8+3= |
16+10-6= | 15-8+13 | 8+9+3= | 20-5-4= | 60-20-10= |
28-8-17+3= |
分析:本题根据整数加法、减法的运算法则计算即可.
解答:解:
4+6=10, | 13-10=3, | 15-4=11, | 90+10=100, | 18-8=10, |
8+5=13, | 16-6=10, | 7+6=13, | 8+4=12, | 30-5=25, |
6+7=13, | 9-3=6, | 4+9=13, | 7+8=15, | 5+7=12, |
10-3=7, | 8+8=16, | 20+6=26, | 6+9=15, | 12+8=20, |
5+0=5, | 100+100=200, | 8+3=11, | 8+9=17, | 15+4=19, |
6+8=14, | 2+9=11, | 20-1=19, | 3+8=11, | 13-5=8, |
50-50=0, | 60-50=10, | 4+8=12, | 5+9=14, | 7+7=14, |
7+10-4=13, | 8+2+6=16, | 4+9+6=19, | 14-9+15=20, | 18-8+3=13, |
16+10-6=20, | 15-8+13=20, | 8+9+3=20, | 20-5-4=11, | 60-20-10=30, |
28-8-17+3=6. |
点评:本题中的数据较为简单,完成时在保证做题质量的同时要注意提高做题的速度.
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