05乘法03十幾乘以2或3(選擇01)

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05乘法03十幾乘以2或3(選擇01)

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年級 *

Choose

1

2

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5

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8

9

其他

班級 *

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1

2

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8

9

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13

14

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其他

座號 *

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(1) 15×2　等於　 *

20 points

15＋15

15＋2

15－2

(2) 一雙襪子有　2　隻，13　雙襪子共有幾隻？　 *

20 points

26 隻

15 隻

39 隻

(3) 13×2　的答案和哪一個算式不一樣？　 *

20 points

2×13

13＋13

13－2

(4) 12×2　等於　 *

20 points

14

24

26

(5) 12×2　等於　 *

20 points

24

14

26

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