题目内容
如图是林场育苗基地树苗情况统计图:
(1)柳树有3500棵,则树苗的总数是多少?
(2)杨树和槐树分别有多少棵?
(3)松树比柏树多百分之几?

(1)柳树有3500棵,则树苗的总数是多少?
(2)杨树和槐树分别有多少棵?
(3)松树比柏树多百分之几?
(1)3500÷25%,
=3500÷0.25,
=14000(棵);
(2)杨树:14000×33%,
=14000×0.33,
=46200(棵);
槐树:14000×17%,
=14000×0.17,
=23800(棵),
(3)(15%-10%)÷10%
=0.05÷0.1,
=50%;
答:(1)这些树苗的总数是14000棵;(2)杨树有46200棵,槐树有23800棵;(3)松树比柏树多50%.
=3500÷0.25,
=14000(棵);
(2)杨树:14000×33%,
=14000×0.33,
=46200(棵);
槐树:14000×17%,
=14000×0.17,
=23800(棵),
(3)(15%-10%)÷10%
=0.05÷0.1,
=50%;
答:(1)这些树苗的总数是14000棵;(2)杨树有46200棵,槐树有23800棵;(3)松树比柏树多50%.
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