题目内容
| 口算. 3×5= | 9+36= | 29+11= | 92-12= |
| 4×2= | 21-12= | 1×2= | 11+88= |
| 5×4= | 1×1= | 27厘米+30厘米= | 62+9= |
| 58-19= | 25+30+5= | 84-8-60= | 48+20-9= |
| 3×5=15, | 9+36=45, | 29+11=40, | 92-12=80, |
| 4×2=8, | 21-12=9, | 1×2=2, | 11+88=99, |
| 5×4=20, | 1×1=1, | 27厘米+30厘米=57厘米, | 62+9=71, |
| 58-19=39, | 25+30+5=60, | 84-8-60=16, | 48+20-9=59. |
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