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弄清楚：2个8的积，2个8的和；2和8的积，2和8的和各是多少？
2个8的积，2个8的和；2和8的积，2和8的和各是多少？
二年级上册乘法、乘加、乘减常考练习题31/41
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2个8的积，2个8的和；2和8的积，2和8的和各是多少？
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