问题
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37 (8 4 × 2 5+9 7 )÷ (1 05 ÷ 1 5+8 4 ÷ 0 28) 的值为:A 1B 1 5C 2D
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:(8.4×2.5+9.7)÷(1.05÷1.5+8.4÷0.28)的值为()。A.1 B.1.5 C.2 D.2.5
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(8.4×2.5+9.7)÷(1.05÷1.5+8.4÷0.28)的值为()。A.1 B.1.5 C.2 D.2.5
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牛乳中脂肪含量约为()A.2.8%~4.0%B.2.8%~3.8%C.1.8%~4.0%D.1.8%~3.5%
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ICU护士总数与病床数之比是A.3:1~4:1B.2:1~3:1C.1:1~2:1D.0.8:1~1:1E.0.5:1~0.8:1
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(8.4×2.5+9.7)÷(1.05÷1.5+8.4÷0.28)的值为( )。A.1 B.1.5