试题 试卷
题型：单选题 题类：常考题 难易度：容易
（两个知识点）3233 10
0.8+0.88=1.68
0.8+0.88+0.888=2.568
0.8+0.88+0.888+0.8888=3.4568
0.8+0.88+0.888+0.8888+0.88888={#blank#}1{#/blank#}
0.8+0.88+0.888+0.8888+0.88888+0.888888={#blank#}2{#/blank#}
试题篮
