:(1/19)3×42×(21/5)2×19/24×(38/7)2的值是( )。A.2B.1C.24/25D.17/5
:(1/19)3×42×(21/5)2×19/24×(38/7)2的值是( )。
A.2
B.1
C.24/25
D.17/5
相关考题:
1、对关键字序列(21,19,37,5,2),经直接插入排序法由小到大排序,第一趟后所得结果为()。A.(19,21,37,5,2)B.(19,21,5,2,37)C.(19,21,5,37,2)D.(19,21,2,5,37)
2、对关键字序列(21,19,37,5,2),经冒泡排序法由小到大排序,第一趟后所得结果为()。A.(19,21,37,5,2)B.(19,21,5,2,37)C.(19,21,5,37,2)D.(19,21,2,5,37)
对关键字序列(21,19,37,5,2),经冒泡排序法由小到大排序,第一趟后所得结果为()。A.(19,21,37,5,2)B.(19,21,5,2,37)C.(19,21,5,37,2)D.(19,21,2,5,37)
19、上颌恒牙萌出的顺序,正确的是()A.6→1→2→4→5→3→7B.6→1→2→3→4→5→7C.6→1→3→2→4→5→7D.6→1→2→4→3→5→7