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数学
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冰变水后体积减少了10%,水结成冰后,体积增加______.
人气:276 ℃ 时间:2019-10-27 17:57:06
解答
[1-(1-
1
10
)]÷(1-
1
10
),
=(1-
9
10
)÷
9
10
,
=
1
10
×
10
9
,
=
1
9
;
答:体积增加了
1
9
.
故答案为:
1
9
.
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