问题
解答题
张芳和赵红住同一栋居民楼的同一单元,张芳家在六楼,赵红家在四楼。
(1)早晨上学时,张芳从家走到三楼共走了54级台阶,张芳从家下楼要走多少级台阶?
(2)张芳放学先回家放下书包,然后到赵红家写作业,在这栋居民楼内,她一共要走多少级台阶?
答案
(1)54+3×5=90(级),(2)54-3 ×(5+2) =126(级)
张芳和赵红住同一栋居民楼的同一单元,张芳家在六楼,赵红家在四楼。
(1)早晨上学时,张芳从家走到三楼共走了54级台阶,张芳从家下楼要走多少级台阶?
(2)张芳放学先回家放下书包,然后到赵红家写作业,在这栋居民楼内,她一共要走多少级台阶?
(1)54+3×5=90(级),(2)54-3 ×(5+2) =126(级)
阅读理解。 | ||||
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