题目内容

(1)60×500的积                                   [   ]

(2)300×80的积                                   [   ]

(3)307×70的积                                   [   ]

(4)600×70的积                                   [   ]

(5)46×700的积                                   [   ]

(6)195×98的积                                   [   ]

(7)491×90的积                                   [   ]

A.大于30000

B.等于30000

C.小于30000

答案:B;C;C;A;A;C;A
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