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
8 只
?
8 - 3 = 5
5
+
2
+
1
=
8
7
7
想一想
9 只
?
怎么算?
9
4
-
-
2
=
3
5
先摆一摆, 再填数.
4 + 3 + ( ) = ( )
?
1
8
10 - ( ) - ( ) = ( )
3
2
5
练一练
10
+
3
+
5
=
2
?
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