1. 减除,扣除：Exceed超过 | Subtracting减除,扣除 | Adjusted调整

2. 早期的计算机只能做加减乘除运算：5). There is not a single substance but has r... | 6). Early computers did nothing but compute: adding, subtracting, multiplying, and dividing. 早期的计算机只能做加减乘除运算. | 7). He doesn't do it f...