70 - 35.2 - 6.3 的估算答案是多少?
2. 小數減法

Quiz
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Mathematics
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1st - 5th Grade
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Hard
李珮瑜 李珮瑜
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10 questions
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1.
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30 sec • 1 pt
2.
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30 sec • 1 pt
103.8 - 47.16 - 9.84 = ?
3.
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30 sec • 1 pt
一個盆菜的盆重0.3公斤,放進食物後共重9.2公斤。
盆裏的食物重多少公斤?
4.
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30 sec • 1 pt
小食店原有豆漿9.8升,上午賣出3.28升後,還餘豆漿多少升?
5.
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30 sec • 1 pt
一盒曲奇餅售39.4元。子晴付50.2元買了一盒曲奇餅和一包花生。這包花生售多少元?
6.
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30 sec • 1 pt
餅店現有17.2公斤糯米粉,做一盤年糕需用5.8公斤糯米粉。餅店做了兩盤年糕後,還餘糯米粉多少公斤?
7.
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30 sec • 1 pt
在跳遠比賽中,浩明跳得2.74米,比永傑遠0.23米,日輝又比永傑遠0.4米。日輝比浩明遠多少米?
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