软件版本3.10 用户说明书
u D
K16g6g5Dw
•
AK16g6g5D
bw
•
D→ D
•D
•D
k
•
•
1 3 – 1 =
2 8 – 3 =
3 5 – 8 =
4 4 – 5 =
1 2 3 4
+
−
×
÷
=