Question

(1)一堆黄砂每天用去吨，5天用去________吨．

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A．吨

B．

C．吨

D．吨

(2)一堆黄砂每天用去，3天用去这堆黄砂的几分之几？正确的解答是

[    ]

A．吨

B．

C．

D．吨

Answer 1

答案：D;B