鸡比兔多13只 鸡的腿数比兔的腿数多16只 鸡兔各几只?
鸡比兔多13只 鸡的腿数比兔的腿数多16只 鸡兔各几只?
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数学人气:982 ℃时间:2020-05-11 10:00:54
优质解答
兔子:(13*2-16)/2=5 鸡 5+13=18
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