6．直接写出得数．
0 158572 158580 158586 158590 158596 158598 158602 158608 158610 158616 158622 158626 158628 158632 158638 158640 158646 158650 158652 158656 158658 158662 158664 158666 158667 158668 158670 158671 158672 158674 158676 158680 158682 158686 158688 158692 158698 158700 158706 158710 158712 158716 158722 158728 158730 158736 158740 158742 158748 158752 158758 158766 199269
| 30×50= | 35×2= | 360÷6= | 2.8-1.9= |
| 400÷5= | 170×3= | 300÷6= | 4.2+3.1= |
| 15×4= | 600÷3= | 6.5+0.4= | 12×7= |
| 19×42≈ | 83÷9≈ | 196÷5≈ | 23×51≈ |
| 24+16×2= | 72÷9×5= | 6×8×0= | 0÷15+25= |