题目:
把5000元钱存入银行,存期一年,利率是2.25%,到期后可取出本金和利息共多少元?
答案
5000×2.25%×1×(1-20%)+5000, =5000×0.0225×1×0.8+5000, =112.5×0.8+5000, =90+5000, =5090(元); 答:到期后可取出本金和利息共5090元.
题目:
把5000元钱存入银行,存期一年,利率是2.25%,到期后可取出本金和利息共多少元?
5000×2.25%×1×(1-20%)+5000, =5000×0.0225×1×0.8+5000, =112.5×0.8+5000, =90+5000, =5090(元); 答:到期后可取出本金和利息共5090元.