列竖式计算,(带*的要验算)
72÷30= | 192÷32= | *837÷27= | 200÷23= | 930÷30= | *496÷69= |
解方程或解比例.
5x-4.5×2=0.5 | :x=:. |
竖式计算.(带※的要验算)
38.07+27.98 | ※40-27.64 | 28.34+54.27 |
100.1-38.64 | 34.08-15.94 | ※34.2+18.9. |
72÷30= | 192÷32= | *837÷27= | 200÷23= | 930÷30= | *496÷69= |
5x-4.5×2=0.5 | :x=:. |
38.07+27.98 | ※40-27.64 | 28.34+54.27 |
100.1-38.64 | 34.08-15.94 | ※34.2+18.9. |