问题
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(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为()。 A.1832B.1919C.2000D.30
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(0.34×2400×0.25+3×3(3/4)+26.25÷(1/3))÷(2/13)+8的值为()。 A.1832B.1919C.2000 D
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7个同学排成两排照相,前排3人,后排4人,共有几种站法?() A.1680B.2400C.2520D.5040
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计算(0.34×2400×0.25+3×+26.25÷)÷的值是()。A. 1989B. 1999C. 2009D. 1979
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7个同学排成两排照相,前排3人,后排4人,共有()种站法?A.1680B.2400 C.2520D.5040
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用简便方法计算. ①1.25×0.25×32②0.25×3.78×4③6.74×10.1④0.85×99⑤6.8×3.7+6.8×6.3.