1-(1-0.5)²×1/5×[2+(-3)³]
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 14:58:06
![1-(1-0.5)²×1/5×[2+(-3)³]](/uploads/image/z/342887-23-7.jpg?t=1-%281-0.5%EF%BC%89%26%23178%3B%C3%971%2F5%C3%97%5B2%2B%EF%BC%88-3%EF%BC%89%26%23179%3B%5D)
1-(1-0.5)²×1/5×[2+(-3)³]
1-(1-0.5)²×1/5×[2+(-3)³]
1-(1-0.5)²×1/5×[2+(-3)³]
1-(1-0.5)²×1/5×[2+(-3)³]
=1-1/4x1/5x(2-27)
=1-1/20*(-25)
=1+5/4
=2又4分之1
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 14:58:06
1-(1-0.5)²×1/5×[2+(-3)³]
1-(1-0.5)²×1/5×[2+(-3)³]
1-(1-0.5)²×1/5×[2+(-3)³]
1-(1-0.5)²×1/5×[2+(-3)³]
=1-1/4x1/5x(2-27)
=1-1/20*(-25)
=1+5/4
=2又4分之1