| 16×2= | 80÷5= | 4900÷70= | 56+44×3= |
| 0÷123= | 25÷8= | 812÷9= | 270×3÷90= |
| 15×6= | 810-120= | 309+3= | 5×4÷5×4= |
| 333÷3= | 120×0= | 51÷3= | 125×3×8= |
| 递等式计算.(能简便的用简便方法) 20 | 302×27-19944÷36 | 6.63+2 |
| 1.6×63+1 | (6.9× | [10-(0.5+ |
| 16×2= | 80÷5= | 4900÷70= | 56+44×3= |
| 0÷123= | 25÷8= | 812÷9= | 270×3÷90= |
| 15×6= | 810-120= | 309+3= | 5×4÷5×4= |
| 333÷3= | 120×0= | 51÷3= | 125×3×8= |
| 递等式计算.(能简便的用简便方法) 20 | 302×27-19944÷36 | 6.63+2 |
| 1.6×63+1 | (6.9× | [10-(0.5+ |