一根5分米长的铁丝,工人师傅想用它做6个铁圈,每个铁圈用了5厘米的铁丝。4Q:]*R7b7m5v7^
(1)做这些铁圈一共用了多少厘米的铁丝?4Q:]*R7b7m5v7^
算式:提示*p4[;`/`5l3r:},y8O3~4Q:]*R7b7m5v7^
答:做这些铁圈一共用了1k*h:}.[6n9Q3i厘米长的铁丝。4Q:]*R7b7m5v7^
(2)这根铁丝还剩多少厘米?4Q:]*R7b7m5v7^
算式:提示0N:S(G9]8p:w;v4Q:]*R7b7m5v7^
答:这根铁丝还剩-c-K7?0L.y3V*s7R'B厘米。4Q:]*R7b7m5v7^