题目内容
杨树的棵数比柳树多25%,柳树的棵树比杨树少( )
| A.25% | B.20% | C.30% | D.45% |
(1+25%-1)÷(1+25%)
=0.25÷1.25,
=0.2,
=20%;
答:柳树的棵树比杨树少20%.
故选:B.
=0.25÷1.25,
=0.2,
=20%;
答:柳树的棵树比杨树少20%.
故选:B.
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题目内容
| A.25% | B.20% | C.30% | D.45% |