四則運算 (色棒) Four arithmetic operations (Colour bars)
s
b
C
1
2
3
4
5
6
7
8
9
Space
0
÷
.
×
%
$
+
=
Done
製成條碼 QR Code Generation
分享路徑: Share Link:
複製 Copy
確定 OK
確定 OK
取消 Cancel