口算
| 35×7= | 23万+48万= | 228+372= | 585×58≈ |
| 195-68= | 571万-289万= | 430×0+163= | 403×22≈ |
直接写出下列各式的结果：
| 3.7+0.63= | 5.1÷0.01= | 500×3%= | 2.5×6.7×4= |
| 75×99= | 1322-199= | 4.9×8.1= | 0.32-0.22= |
 ×5.6= | ________： |  ÷1.75= |  = |
如图，以张家为观测点，李家在_____方向上．在横线里填上“＜”、“＞”或“=”．
| 59140________6314 | 4532万________45320000 |
| 45×70________540×7 | 105×7________150×7． |
直接写出得数．
 ×40= |  - = |  × = | 2× = | 24× = |
 ×22= | 18× = |  × = |  × = |  × = |