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5+6-2=
[ ]
5
[
A
B
C
D
口算
(1)2
(2)6
(3)12
(4)4
我会算.
8-3=
16-6=
6+2+3=
2+9=
17-5=
9-3+7=
3
9-7+5=
17-7-7=
2+8+3=
3+2+10=