直接写得数. + = | 18× = | × = | 0× = |
- = | ×21= | × = | × |
2- = | 0.125×0.125= |
+ =![]() | 18× =12 | × =![]() | 0× =0 |
- =![]() | ×21=15 | × =![]() | × =![]() |
2- =![]() | 0.125×0.125=![]() |
分析:依据分数四则运算的计算法则,即可逐题解答.
点评:此题主要考查分数四则运算的计算法则的灵活应用.
编辑:chaxungu时间:2026-04-27 11:04:26分类:小学数学题库
直接写得数. + = | 18× = | × = | 0× = |
- = | ×21= | × = | × |
2- = | 0.125×0.125= |
+ =![]() | 18× =12 | × =![]() | 0× =0 |
- =![]() | ×21=15 | × =![]() | × =![]() |
2- =![]() | 0.125×0.125=![]() |