连加连减
8+2=
10
10-3=
7
8-7=
1
6+4=
10
0+9=
9
5+5=
10
10-8=
2
2+5=
7
3+7=
10
10-2=
8
4+3=
7
7+1=
8
?
( ) + ( ) = ( )
3
2
5
?
9 - 2 = 7
9个
5
+
2
+
1
=
8
7
7
8
2
-
-
2
=
4
6
3 + 1 + 4 = ( )
8
1
9 - 2 - 3 = ( )
4
先摆一摆, 再填数.
4 + 3 + ( ) = ( )
?
1
8
10 - ( ) - ( ) = ( )
3
2
5
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