解析 a) 13元b) 1.95美元c) 120元 a) 分步计算:两个五元为2×5=10元,三个一元为3×1=3元,相加10+3=13元 b) 单位换算:五个一美分=5×0.01=0.05美元,计算2美元-0.05美元=1.95美元 c) 分步计算:三个十元=3×10=30元,乘以四得30×4=120元 每个问题均满足完整性和可计算性要求,故给出精准答案...
In the United States, one dollar is equal to 100 cents. This is because a dollar is divided into 100 smaller units of 1 cent each. Keyword Density Optimization for Content Quality Improvement Keyword density optimization is an essential part of search engine optimization (SEO) process. It refer...