- = | 10÷ = | 35× = | 0÷ = | ×6= |
+ = | 5- = | 5× ÷5× = | 6+ = | ÷ = |
解: - = , | 10÷ =14, | 35× = , | 0÷ =0, | ×6= , |
+ = , | 5- =4 , | 5× ÷5× = , | 6+ =6 , | ÷ = . |
分析:把5×
÷5×
改写成5÷5×
×
,从而简算;其它算式按照分数四则运算的方法进行计算.
点评:此题综合考查了分数的通分、约分、数的转化、运算定律等知识;注意计算的结果要化成最简分数.
编辑:chaxungu时间:2026-04-27 10:03:47分类:小学数学题库
- = | 10÷ = | 35× = | 0÷ = | ×6= |
+ = | 5- = | 5× ÷5× = | 6+ = | ÷ = |
解: - = , | 10÷ =14, | 35× = , | 0÷ =0, | ×6= , |
+ = , | 5- =4 , | 5× ÷5× = , | 6+ =6 , | ÷ = . |
÷5×
改写成5÷5×
×
,从而简算;