帮我做几道数学题 4分之15÷9分之5+3.75×5分之3 3分之2×0.3÷3分之2×0.3
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 00:50:45
![帮我做几道数学题 4分之15÷9分之5+3.75×5分之3 3分之2×0.3÷3分之2×0.3](/uploads/image/z/311352-24-2.jpg?t=%E5%B8%AE%E6%88%91%E5%81%9A%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98+4%E5%88%86%E4%B9%8B15%C3%B79%E5%88%86%E4%B9%8B5%2B3.75%C3%975%E5%88%86%E4%B9%8B3+3%E5%88%86%E4%B9%8B2%C3%970.3%C3%B73%E5%88%86%E4%B9%8B2%C3%970.3)
帮我做几道数学题 4分之15÷9分之5+3.75×5分之3 3分之2×0.3÷3分之2×0.3
帮我做几道数学题 4分之15÷9分之5+3.75×5分之3 3分之2×0.3÷3分之2×0.3
帮我做几道数学题 4分之15÷9分之5+3.75×5分之3 3分之2×0.3÷3分之2×0.3
4分之15÷9分之5+3.75×5分之3
=15/4x9/5+15/4x3/5
=15/4x(9/5+3/5)
=15/4x12/5
=9
3分之2×0.3÷3分之2×0.3
=2/3÷2/3x(0.3x0.3)
=1x0.09
=0.09
4分之15÷9分之5+3.75×5分之3=9
3分之2×0.3÷3分之2×0.3=0.09
4分之15÷9分之5+3.75×5分之3
15/4÷5/9+3.75*3/5=15/4*9/5+15/4*3/5=15/4*(9/5+3/5)=9
15/4÷5/9+3.75×3/5
=15/4×9/5+15/4×3/5=15/4×(9/5+3/5)=15/4×12/5=9
2/3×0.3÷2/3×0.3=2/3÷2/3×0.3×0.3=0.09