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n = 6
For i = 1 To n
a(i) = Int(Rnd * 90) + 10
Next i
For i = 1 To 2
For j = 1 To n - i
If (a(j) mod 10) * (a(j) \ 10) > (a(j+1) mod 10) * (a(j+1) \ 10) Then
temp = d(j): d(j) = d(j + 1): d(j + 1) = temp
End If
Next j
Next i
执行该程序段后，a数组各元素可能是( )
| A．77, 29, 54, 13, 69, 98 | B．31, 46, 52, 68, 70, 88 |
| C．19, 34, 56, 67, 85，98 | D．40, 55, 56，77, 86, 99 |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
