1. 画一画,填一填。(建议1分钟完成)

1+4= □

□-□= □
1+4= □
□-□= □
答案:
5 4-2=2

5 4-2=2
5-0=
2+2=
4-3=
3-2=
4-1=
3-3=
2+3=
1+1=
5-3=
4-2=
4+0=
1+2=
1+3=
5-4=
2+1=
0+2=
3-1=
3+2=
1+4=
4+1=
5
2+2=
4
4-3=
1
3-2=
1
4-1=
3
3-3=
0
2+3=
5
1+1=
2
5-3=
2
4-2=
2
4+0=
4
1+2=
3
1+3=
4
5-4=
1
2+1=
3
0+2=
2
3-1=
2
3+2=
5
1+4=
5
4+1=
5
答案:
5 4 1 1 3 0 5 2 2 2 4 3 4 1 3 2 2 5 5 5
3〇3-1
5〇5-2
3〇2-1
1〇4-2
5-4〇2
4〇5-2
3-2〇4-1
5-3〇2+0
2+3〇5-0
3-1〇2+1
4-1〇0+3
4+1〇4-1
>
5〇5-2
>
3〇2-1
>
1〇4-2
<
5-4〇2
<
4〇5-2
>
3-2〇4-1
<
5-3〇2+0
=
2+3〇5-0
=
3-1〇2+1
<
4-1〇0+3
=
4+1〇4-1
>
答案:
> > > < < > < = = < = >
5-
5-
3-
3-
2+
0+
2+
1
= 42
-1= 13
+2= 55
-3= 25-
3
= 23-
0
= 35
-2= 33-
1
= 23
+1= 42+
1
= 30+
5
= 52+
2
= 4
答案:
1 2 3 5 3 0 5 1 3 1 5 2
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