题型:问答题 简答题 34×23×25=______;421×721=______;79×35×521=______;3548×815×67=______;108×718=______;6495×1932=______;914×3536=______;524×120=______;1115×2533=______;1736×7285=______;415+512=______;2942×5687=______;425×1011=______;245×1528=______;357×813×127=______;345×4×718=______;258×337×19=______;1920×49×2538=______;256×12=______;337×14=______;515×4=______;738×2=______;312×4=______;7×3215=______;712×1256=______;23×645=______;(725-15)×50=______;(13+34)×12=______;13÷112=47÷12=______;89÷37=______;1÷34=______;5÷1011=______;1411÷21=______;58÷56=______;910÷35=______;89÷83=______;310÷103=______;15×58=______;35÷5=______. 查看答案
题型:问答题 简答题 设y(x)>0,y(0)=1,y’(0)=1,又曲线y=y(x)是单调的,凹凸性不变,且其上任意点处的切线及y轴和y=y(x)所围成的平面图形的面积等于切点处横坐标的立方,求L的方程. 查看答案