三位数乘两位数竖式100道如下: 98×69=34362985×99=97515645×83=53535866×64=55424741×91=67431594×17=10098902×96=86......
900÷3012×40480÷8016×612×7 420÷60100×262400+3005600÷70320+780 90÷1816×25480+30300-25×4100-72÷8 689......