笔算下面各题。
|
| (1) 94.3 - 28.6 65.7 | (2) 27.7 + 32.5 60.2 | (3) 64 × 73 192 448 4672 |
| (4) 32 × 64 128 192 2048 | (5) 209 × 8 1672 | (6)18 × 45 90 72 810 |
| (7) 38 × 12 76 38 456 + 273 729 | (8) 56 × 16 336 56 896 - 458 438 | (9) 13.4 + 78.6 92 - 25.7 66.3 |
| (10)原式=25×(47+13) =25×60 =1500 | (11)原式=32×(38-28) =32×10 =320 | (12) 98.1 - 27.4 70.7 - 35.8 34.9 |