2.直接写出得数
| 1-0.08= | 0.2×50= | 0.99×8.45×0= | 0.7+0.03= |
| 0.63÷7= | 0.56÷0.8= | 0.9×0.8= | 2.3×0.9= |
1.我是口算小神童.
| 23×6= | 43×3= | 37×4= | 12×7= |
| 35×6= | 41×7= | 21×8= | 34×5= |
| 24×3= | 45×2= | 86×7= | 180×5= |
| 60×8= | 29×8= | 170×4= | 16×6= |
15.下列各题怎样简便就怎样算.
| 5.02×0.89+0.11×5.02 | 3.78×3.5×0.6 | 27.5×3.4+2.75×66 |
| 11.25÷0.09+6.09 | 15.9÷0.125÷0.8 | 40.6×9.9 |
13.下面三个数中最大的数是( )
0 132336 132344 132350 132354 132360 132362 132366 132372 132374 132380 132386 132390 132392 132396 132402 132404 132410 132414 132416 132420 132422 132426 132428 132430 132431 132432 132434 132435 132436 132438 132440 132444 132446 132450 132452 132456 132462 132464 132470 132474 132476 132480 132486 132492 132494 132500 132504 132506 132512 132516 132522 132530 199269
| A. | 7.68 | B. | 7.6$\stackrel{•}{8}$ | C. | 7.$\stackrel{•}{6}$$\stackrel{•}{8}$ |