试题 试卷
题型：单选题 题类：常考题 难易度：普通
整数和小数及运算8550 10
①1.25×3.69×2.5
②32.4÷2.5÷0.4
③21.3×5.34﹣1.3×5.34．
5.04×0.5×0.2
试题篮
