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阿Q吧 > 用两步连乘解决实际问题据科学家统计一只青蛙一天能吃80只害虫照这样计算四只青蛙五天能吃多少只害虫？

用两步连乘解决实际问题据科学家统计一只青蛙一天能吃80只害虫照这样计算四只青蛙五天能吃多少只害虫？

2025-04-07 04:17:07

推荐回答（2个）

回答1：

80X4X5
=80X20
=1600只
答：照这样计算四只青蛙五天能吃1600只害虫。

回答2：

方法一:
80×4×5=1600（只）
先计算4只青蛙1天吃的害虫只数，然后再算4只青蛙5天吃的害虫只数。
方法二:
80×5×4=1600（只）
先计算1只青蛙5天吃的害虫只数，然后再算4只青蛙5天吃的害虫只数。

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