用简便方法计算7.2÷0.9+2.1 27.3÷1.2-8.8 9.6-2.4×3.5
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 07:13:52
![用简便方法计算7.2÷0.9+2.1 27.3÷1.2-8.8 9.6-2.4×3.5](/uploads/image/z/32521-49-1.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%977.2%C3%B70.9%2B2.1+27.3%C3%B71.2%EF%BC%8D8.8+9.6%EF%BC%8D2.4%C3%973.5)
用简便方法计算7.2÷0.9+2.1 27.3÷1.2-8.8 9.6-2.4×3.5
用简便方法计算7.2÷0.9+2.1 27.3÷1.2-8.8 9.6-2.4×3.5
用简便方法计算7.2÷0.9+2.1 27.3÷1.2-8.8 9.6-2.4×3.5
7.2÷0.9+2.1
=8+2.1
=10.1
27.3÷1.2-8.8
=27.3÷0.3÷4-8.8
=22.75-8.8
=13.95
9.6-2.4×3.5
=2.4×4-2.4×3.5
=2.4×(4-3.5)
=2.4×0.5
=2.4÷2
=1.2