问题
解答题
小林和小丁购买同一种大米，小林买20千克花了60元，小丁买60千克，花了多少元？
答案
60÷20×60，
=3×60，
=180（元）；
答：花了180元．
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小林和小丁购买同一种大米，小林买20千克花了60元，小丁买60千克，花了多少元？
60÷20×60，
=3×60，
=180（元）；
答：花了180元．
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