15.
口算 2.4÷0.8= | 5×0.07= | 40÷0.1= | 0.3÷5= | 7.2+2.8= |
0.15×4.2×0= | 19.21÷1= | 63÷90= | 10-0.23= | 4.8÷1.6= |
14.下列各式精确到百分位的是( )
0 161597 161605 161611 161615 161621 161623 161627 161633 161635 161641 161647 161651 161653 161657 161663 161665 161671 161675 161677 161681 161683 161687 161689 161691 161692 161693 161695 161696 161697 161699 161701 161705 161707 161711 161713 161717 161723 161725 161731 161735 161737 161741 161747 161753 161755 161761 161765 161767 161773 161777 161783 161791 199269
A. | 0.7933≈0.79 | B. | 6.047≈6.0 | C. | 9.724≈9.7 |