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0.8+0.88= 0.8+0.88+0.888= 0.8+0.88+0.888+0.8888= 0.8+0.88+0.888+0.8888+……+0.8888888=
0.8+0.88=
0.8+0.88+0.888=
0.8+0.88+0.888+0.8888=
0.8+0.88+0.888+0.8888+……+0.8888888=
人气:325 ℃ 时间:2020-03-16 15:29:19
解答
1.68
2.568
3.4568
6.12345688
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