问题
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1944, 108, 18, 6, () A.5 B.4 C.3 D.1
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:1/2,3/2,5/6,11/30,()。A.29/64 B.40/57 C.41/330 D.108/119
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1944, 108, 18, 6, () A.5 B.4 C.3 D.1
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1/2,3/2,5/6,11/30,()。A.29/64 B.40/57 C.41/330 D.108/119
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用竖式计算。(1)46×108=(2)280×23=(3)48×215=(4)15×24=(5)720÷60=(6)2700÷45=
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下列属于计量数据的是()。A.1.1,1.2,1.3,1.4,1.5B.1,3,5,7,9C.2,4,6,8, 10D.11, 14, 15, 18, 20