竖式计算。
|
| (1) 8.3 - 6.9 1.4 | (2) 7.6 + 9.4 17 | (3) 21.3 - 17.6 3.7 |
| (4) 15.8 + 39.7 55.5 | (5) 40 - 15.5 14.5 | (6) 62.9 + 26.9 89.8 |
| (7) 83 × 18 664 83 1494 | (8) 36 × 72 72 252 2592 | (9) 94 × 24 376 188 2256 |
| (10) 109 × 8 872 | (11) 77 × 26 462 154 2002 | (12) 81 × 45 405 324 3645 |