简便方法计算题:(2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*((2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*(2.17+5.49)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 07:42:25
![简便方法计算题:(2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*((2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*(2.17+5.49)](/uploads/image/z/135002-2-2.jpg?t=%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%E9%A2%98%EF%BC%9A%EF%BC%882.17%2B5.49%2B3.81%EF%BC%89%2A%EF%BC%885.49%2B2.17%2B9.2%EF%BC%89-%EF%BC%883.81%2B2.17%2B5.49%2B9.2%EF%BC%89%2A%EF%BC%88%EF%BC%882.17%2B5.49%2B3.81%EF%BC%89%2A%EF%BC%885.49%2B2.17%2B9.2%EF%BC%89-%EF%BC%883.81%2B2.17%2B5.49%2B9.2%EF%BC%89%2A%EF%BC%882.17%2B5.49%EF%BC%89)
简便方法计算题:(2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*((2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*(2.17+5.49)
简便方法计算题:(2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*(
(2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*(2.17+5.49)
简便方法计算题:(2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*((2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*(2.17+5.49)
(2.17+5.49+3.81)*(5.49+2.17+9.2)-(3.81+2.17+5.49+9.2)*(2.17+5.49)
=(2.17+5.49+3.81)*(5.49+2.17)+(2.17+5.49+3.81)*9.2-(3.81+2.17+5.49)*(2.17+5.49)-9.2*(2.17+5.49)
=(2.17+5.49+3.81)*9.2-9.2*(2.17+5.49)
=(2.17+5.49)*9.2+3.81*9.2-9.2*(2.17+5.49)
=3.81*9.2
=35.052
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