一根3米的钢材,先用去它的
,再用
米,这时还剩______米.
人气:234 ℃ 时间:2019-12-15 07:38:21
解答
3-3×
-
=3-1
-
=1
-
=1(米)
答:这时还剩1米.
故答案为:1.
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