题目列表(包括答案和解析)
| 20.9+10.5÷（5-3.5） | 3.5×0.7+5.5×0.7+0.7 |
| 10.64+7.65×2.4+11.76 | 6.2×9.9 |
| 9.83×（3.8-2.3）+1.5×6.17 ? | 21÷0.25÷0.4． |
| 10×5= | 30×6= | 700×7= | 24-6= | 64÷8= | ||||||||||
| 87÷9= | 28÷3= | 6×4+6= | 7×8+4= | 4×3+2= | ||||||||||
| 5×4+7= | 7×2+9= |
|
|
1-
| ||||||||||
|
198×6≈ | 27×5≈ | 52×4≈ | 78×2≈ |
| 0.9÷10= | 53.8÷100= | 0.8÷10= | 6.5×100= | 0.12+0.98= |
| （99-9）÷9= | 0.4+0.56= | 310-99= | 4.25+1.25= | 6.3-3= |
| 7.8-0.78= | 900÷45= | 780+99= | 10-0.99= | 32-9.8-0.2= |
| 50-50÷50= | 4-0.04= | 2.06×10= | 5-0.7+0.3= | 6.4+4.4= |
| 4.3+5= | 10+7.6= | 9.8-6= | 12.4+5.6= | 8-4.5= |
| 2.5+7= | 8.2-6= | 25.7-15.7= | 3.5+12.5= | 54÷9×54÷9= |
| 69-31×0= |
| 8.9÷10= | 7-0.7= | 0.25×39×0.4= |
| 8.2+0.18= | 4.5×8= | 87- 84.7 84.7 +83.7=86． |
| 10×5= | 30×6= | 700×7= | 24-6= | 64÷8= |
| 87÷9= | 28÷3= | 6×4+6= | 7×8+4= | 4×3+2= |
| 5×4+7= | 7×2+9= |  += |  - = | 1- = |
 -= | 198×6≈ | 27×5≈ | 52×4≈ | 78×2≈ |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com