80, Half of 160., 480, The product of 120 and 4., 880, The sum of 300 and 580., 410, The difference between 500 and 90., 450, 9 times fifty., 800, Double of 400., 90, The quotient of 360 and 4., 540, The difference between 600 and 60..

Operations Practice

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

)
恢复自动保存：？