5.6*9/4+22/5*2.25
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 15:45:41
![5.6*9/4+22/5*2.25](/uploads/image/z/13567583-47-3.jpg?t=5.6%2A9%2F4%2B22%2F5%2A2.25)
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5.6*9/4+22/5*2.25
5.6*9/4+22/5*2.25
5.6*9/4+22/5*2.25
5.6×9/4+22/5×2.25
=5.6×9/4+4.4×9/4
=(5.6+4.4)×9/4
=10×9/4
=45/2
5.6*9/4+22/5*2.25
=22.5