题目
题型:不详难度:来源:
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4 |
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2 |
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(2)在数
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(3)有一些数,它们两两相加所得的和与它们两两相乘所得的积相等,例如
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答案
2 |
10 |
3 |
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4 |
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5 |
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4 |
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2 |
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(2))-
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2 |
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(3)由题意可得出:
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核心考点
试题【(1)在数210,310,410,510,610,710,810,910的前面添上“+”或“-”使它们的和为410(即25);(2)在数210,310,410,】;主要考察你对数据的整理与描述等知识点的理解。[详细]
举一反三
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