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4, 3/2, 20/27, 7/16, 36/125, () A.39/144 B.11/54 C.68/196 D.7
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112,2,324,548,() A.8816 B.823 C.8612 D.9
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-1,0,8,25,54,()。 A.87 B.99 C.101 D.112
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4,9,36,()。 A.54 B.72 C.144 D.324
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2, 4, 20, 76, ()A.300 B.308 C.316 D.324
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竖式计算。(1) 112 × 36(2)143 × 18 (3)109 × 54(4)216 × 23
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36,8,20,-32,84,()。A.54B.-200C.223D.-98