+ = | ×0×27= | 6÷ = | ×39= | 24÷ = |
×4-2= | 45÷ = | 1- - = | + ÷ + = | × ÷ × = |
+ = , | ×0×27=0, | 6÷ =30, | ×39=12, | 24÷ =64, |
×4-2=0, | 45÷ =70, | 1- - = , | + ÷ + =1 , | × ÷ × = . |
分析:根据分数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后再进一步计算即可.
编辑:chaxungu时间:2026-04-27 07:26:57分类:小学数学题库
+ = | ×0×27= | 6÷ = | ×39= | 24÷ = |
×4-2= | 45÷ = | 1- - = | + ÷ + = | × ÷ × = |
+ = , | ×0×27=0, | 6÷ =30, | ×39=12, | 24÷ =64, |
×4-2=0, | 45÷ =70, | 1- - = , | + ÷ + =1 , | × ÷ × = . |
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