请展开查看知识点列表
2.5×4= 7.5×8= 3.5×0.2= 0.6÷0.3= 0.204÷0.001=
20÷0.4= 12.5×0.8= 7÷5= 1÷0.001= 1.23×0.3=
0.24×0.8+0.76×0.8= 8×0.25÷0.25×8=
进入组卷