02三位數的加減04加減估算(選擇04)

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02三位數的加減04加減估算(選擇04)

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年級 *

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班級 *

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3. 估估看，哪一個數最接近902－595的正確答案？ *

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4. 估估看，哪一個數最接近91－52的正確答案？ *

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5. 估估看，哪一個數最接近32＋79的正確答案？ *

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8. 估估看，哪一個數最接近192＋101的正確答案？ *

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