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1.
我会算
12-5= | 14-7= | 49-9= | 13-7= | 20+5= |
18-9= | 98-90= | 60+4= | 69-9= | 87-80= |
16-8= | 74-70= | 15-8= | 73-3= | 28-20= |
40+8= | 11-6= | 5+60= | 85-5= | 14-6= |
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2.
口算。
11-3= | 8+6= | 13-4= | 17-8-6= |
87-7= | 20+6= | 15-9= | 15-7+4= |
10-2= | 14-7= | 69-9= | 76-6+5= |
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3.
直接写出得数。
14-6= | 13-6= | 15-7= | 8-4+9= |
9+7= | 41-1= | 12-4= | 16-3-10= |
63-3= | 20+3= | 37-7= | 3+7+4= |
13-5= | 30+4= | 11-8= | 18-9+60= |
6+40= | 36-6= | 9+4= | 5+10-7= |
里最大能填几?
