简便计算(易错题对比练习)Word 文档简便计算(易错题对比练习)姓名37×9937×99+37456-(256+36)456-(256-36)75+25-75+2575-25+75-252701-3982701-4037829+9987829-9983600×253600÷2588×25(80+8)×255600÷70×85600÷70÷88100÷90×58100÷(90×5)5000÷125×85000÷125÷8540÷90×6540÷90÷69+99+999+39+99+99915×4+9×415÷4+9÷448×25(12+12+12+12)...