100-100*9/10-9/10=9.1米
这根电线还剩9.1米.
从一根100米的电线分别剪去10分之9和10分之9米,这根电线还剩多少米?
从一根100米的电线分别剪去10分之9和10分之9米,这根电线还剩多少米?
要列算式!
要列算式!
数学人气:835 ℃时间:2020-02-02 22:23:40
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