13．
| 直接写得数． 38÷100= | 9-0.72= | 0.13×1000= | 3600÷600= | 0.75+0.3= |
| 9×5÷9×5= | 0÷70×20= | 2.73+0.27= | 4.61-0.6= |
7．
0 161471 161479 161485 161489 161495 161497 161501 161507 161509 161515 161521 161525 161527 161531 161537 161539 161545 161549 161551 161555 161557 161561 161563 161565 161566 161567 161569 161570 161571 161573 161575 161579 161581 161585 161587 161591 161597 161599 161605 161609 161611 161615 161621 161627 161629 161635 161639 161641 161647 161651 161657 161665 199269
| 直接写得数． 0.6÷0.2= | 0.25×0.4= | 0.44÷4= | 0.9×4= | 0.1÷0.1= | 0.034×0= |
