1. (1500-900)÷900=66.7% 答 增长了66.7%
2. (1000-600)÷600=66.7% 答 增长了66.7%
1. (1500-900)÷900=66.7%
2. (1000-600)÷600=66.7%
很简单
1. (1500-900)÷900=66.7%
2. (1000-600)÷600=66.7%
(1500+1000-900-600)/(900+600)=66.7%
(1500-900)除900
(1000-6000除600