果园里一共种了340棵桃树和杏树,其中桃树的棵数比杏树的3倍多20棵.两种树各种了多少棵?
人气:427 ℃ 时间:2020-05-08 18:33:06
解答
(340-20)÷(3+1)
=320÷4
=80(棵);
340-80=260(棵).
答:桃树种了260棵,杏树种了80棵.
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