99.99×0.8+11.11×2.8 9.99×2.22+3.33×3.34 简便运算
问题描述:
99.99×0.8+11.11×2.8 9.99×2.22+3.33×3.34 简便运算
答
99.99×0.8+11.11×2.8 9.99×2.22+3.33×3.34 简便运算