来自孙晓东的问题
【递等式一共4题答4题①1/3×1/15+1/3×1/5②3/4-5/8×3/4③14/25÷(1/5+1/2)④[3/4-(7/16-0.25)]×17/9】
递等式一共4题答4题
①1/3×1/15+1/3×1/5②3/4-5/8×3/4③14/25÷(1/5+1/2)④[3/4-(7/16-0.25)]×17/9
3回答
2020-04-11 18:34