问题 解答题 用竖式计算. 4.9×3.52.59×0.843.206-2.98713.97+59.73. 答案 ①4.9×3.5=17.15;②2.59×0.84=2.1756;③3.206-2.987=0.219;④13.97+59.73=73.7;故答案为:17.15,2.1756,0.219,73.7.