s = Text1.Text: p = 0: Sum = 0
For i = 1 To Len(s)
c = Mid(s, i, 1)
If c >= "0" And c <= "9" Then p = p * 10 + Val(c)
Else
Sum = Sum + p
p = 0
End If
Next i
在文本框 text1 输入"12rtt20pK8",程序运行后 sum 的值是( )
A.32 | B.40 | C.12208 | D.1220 |

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

