1. 直接写出得数。(建议3分钟完成)
5+4=
1+8=
7+2=
4+5=
7+1=
3+6=
1+6=
2+6=
3+5=
8+1=
4+4=
2+4=
9-2=
8-6=
8-2=
8-5=
8-1=
9-4=
9-8=
9-5=
9-3=
9-1=
8-3=
8-4=
8-7=
9-6=
9-0=
2+7=
5+4=
9
1+8=
9
7+2=
9
4+5=
8
7+1=
9
3+6=
7
1+6=
8
2+6=
8
3+5=
9
8+1=
8
4+4=
6
2+4=
7
9-2=
2
8-6=
6
8-2=
3
8-5=
7
8-1=
5
9-4=
1
9-8=
4
9-5=
6
9-3=
8
9-1=
5
8-3=
4
8-4=
1
8-7=
3
9-6=
9
9-0=
9
2+7=
答案:
9 9 9 8 9 7 8 8 9 8 6 7 2 6 3 7 5 1 4 6 8 5 4 1 3 9 9
2. 在○里填上“>”“<”或“=”。(建议3分钟完成)
9-0
8
7-3
9-4
4
6-2
3+3
4+3
5+4
6+3
9-7
9-6
7+2
6+1
7+2
7-2
4-4
6+3
9-0
=
98
>
8-17-3
<
59-4
<
64
>
5-26-2
=
43+3
>
54+3
<
85+4
>
86+3
>
79-7
<
39-6
<
57+2
>
2+66+1
=
9-27+2
=
8+17-2
=
3+24-4
<
5-46+3
=
5+4
答案:
= > < < > = > < > > < < > = = = < =
8 -4→□ +5→□ -7→□ +3→□
9 -6→□ +4→□ -3→□ +4→□
9 -6→□ +4→□ -3→□ +4→□
答案:
4 9 2 5 3 7 4 8
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