题目内容
口算
| 25+64= | 78-36= | 2100+500= | 0+98= |
| 32×5= | 2×23= | 26+41= | 45÷3= |
| 66÷6= | 39+38= | 72-23= | 1740-800= |
| 72÷4= | 32×3= | 100-54= | 24÷2= |
| 25+64=89, | 78-36=42, | 2100+500=2600, | 0+98=98, |
| 32×5=160, | 2×23=46, | 26+41=67, | 45÷3=15, |
| 66÷6=11, | 39+38=77, | 72-23=49, | 1740-800=940, |
| 72÷4=18, | 32×3=96, | 100-54=46, | 24÷2=12. |
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