8.递等式计算
| 2.6×10.1 | 6.7×2.3+6.7×6.7-6.7 | 0.125×9×5.6 |
| 4.8÷1.25 | 13.01-3.01×2.3 | [17.45-(7.45+4.75)×0.25]÷0.24 |
6.直接写出得数
0 133605 133613 133619 133623 133629 133631 133635 133641 133643 133649 133655 133659 133661 133665 133671 133673 133679 133683 133685 133689 133691 133695 133697 133699 133700 133701 133703 133704 133705 133707 133709 133713 133715 133719 133721 133725 133731 133733 133739 133743 133745 133749 133755 133761 133763 133769 133773 133775 133781 133785 133791 133799 199269
| 50-0.5= | 1.6×0.5= | 40.8×2.7≈(凑整到十分位) | 0.78÷7.8= |
| 2.1-1.2= | 380÷21≈(凑整到百分位) | 1+0.8-1+0.8= | 4.5×99+4.5= |