- = | × = | ÷ = | 1÷40%= | 4÷ - ÷4= |
75%+ = | ÷22= | 80%÷ = | 26× = | × ÷ × = |
解: - = , | × = , | ÷ = , | 1÷40%=2.5, | 4÷ - ÷4=4 , |
75%+ =1.5, | ÷22= , | 80%÷ = , | 26× =10, | × ÷ × = . |
分析:根据分数和百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 07:40:20分类:小学数学题库
- = | × = | ÷ = | 1÷40%= | 4÷ - ÷4= |
75%+ = | ÷22= | 80%÷ = | 26× = | × ÷ × = |
解: - = , | × = , | ÷ = , | 1÷40%=2.5, | 4÷ - ÷4=4 , |
75%+ =1.5, | ÷22= , | 80%÷ = , | 26× =10, | × ÷ × = . |