This formula is duplicated in column E down to E11 (select E2, then drag down the lower right corner with the mouse). Cell E13 contains the formula used to check the total of the depreciation amounts.
将单元格 E2 内的公式复制到列 E 中单元格 E3 至 E11 位置(标记单元格 E2 后，鼠标往下拖拉单元格右下角的矩形)。