(共22张PPT)
连加、连减
5 + 4 =
7+2=
6+3=
2+8=
4 + =9
5 + = 7
2 + = 8
7 - 3=
9 - 7=
3 + 5=
2 + 6=
8 - 8 =
2个
1个
4个
2+ 1 + 4 =
3
7
?个
?根
3 + + =
3
2
8
6
8
- 3
- 1 =
4
5
4
2
4
6
1
0
+ + =
+ + =
4
2
10
4
6
- - =
- - =
10
2
4
4
8
=
-
-
=
9
今天你学到了什么?
5+1+2=
6
8
10-5-3=
2
5
6-3-3=
0
3
3+5+2=
10
8
2+4+2=
8
6
8-2-3=
3
6
=
-
-
=
9
9
u
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用】
2
0
0
根
3+3+2
8
6
2个
1个
4个
个
2+1+4=7
3
会冬
8-3-1=4
5
10-4
2
三
4
6
Mw
@《
@《@《
《
]+2+4=10
4
6
10-2-4=4
8