实践操作．
11．
0 164507 164515 164521 164525 164531 164533 164537 164543 164545 164551 164557 164561 164563 164567 164573 164575 164581 164585 164587 164591 164593 164597 164599 164601 164602 164603 164605 164606 164607 164609 164611 164615 164617 164621 164623 164627 164633 164635 164641 164645 164647 164651 164657 164663 164665 164671 164675 164677 164683 164687 164693 164701 199269
| 我能算得又快又对． 0.25×40= | 8.4÷2.1= | 0.9×0.05= |
| 1.32÷0.1= | 1÷0.01= | 064÷0.8= |
| 0.5×0.2= | 1-0.012= | 1.2÷0.03= |
| 9-9×0.01= | 1.8+0.2×3= | 3×0.125×8= |