78.9÷0.878.9 65.3×0.8965.3
64.76÷1.2364.76 0.99×0.50.99÷0.5
7.6÷0.97.6 0.8²0.8+0.8
4.7×0.290.47×2.9 4.35÷2.143.5÷21
68.4÷0.38=
8.5÷3.4=
3.25÷0.3=(用循环小数表示)
原价:15元/个
现价:12元/个