直接写出得数.
530-350= | 360÷15= | 2000÷0.04= | 5.65×0.4= | 33.5-14.75= |
7.4×0.09= | = | = | = | 343-= |
用递等式计算.
78×25-896 | 100×(804-775) | 453+805÷5 | (277+75)×25. |
530-350= | 360÷15= | 2000÷0.04= | 5.65×0.4= | 33.5-14.75= |
7.4×0.09= | = | = | = | 343-= |
78×25-896 | 100×(804-775) | 453+805÷5 | (277+75)×25. |