| A．扩大10倍 | B．缩小10倍 | C．缩小100倍 | D．不变 |
A．0.89×0.9 | B．1÷0.89 | C．0.89÷1 | D．1÷1.9 |
| A．21÷1.4 | B．21÷0.14 | C．21÷0.014 | D．2.1÷0.014 |
| A．0.45÷0.8 | B．35÷2.5 | C．5.48÷0.58 |
| A．2.4 | B．0.8 | C．7.2 |
| A．0.27 | B．0.027 | C．27 | D．2.7 |
| A．12.5 | B．12 | C．13 | D．14 |
| A．27÷9 | B．27÷90 | C．0.027÷9 |
| A．13.5÷24 | B．135÷24 | C．13.5÷240 |
| A．246÷6 | B．246×0.6 | C．24.6÷0.6 |
搜索
