12× = |  ×11= |  × = |  ×= |
 × = |  × = |  ×0= | 1× = |
 ×2= | 24× = |  × = |  × = |
 × = |  × = | + = | - = |
解：
| 12×=2 | ×11= | ×= | ×= |
| ×= | ×= | ×0=0 | 1×= |
| ×2= | 24×=9 | ×= | ×= |
×= | ×= | += | -= |
开心蛙状元测试卷系列答案科目：小学数学 来源： 题型：
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