请展开查看知识点列表
小数分数
0.98×0.980.98 0.84×3.84×0.84
18.3×1.218.3 2.75×1.0227.5×0.102
5×1.8= 18.9+1.14= 1-0.67= 2.4×0.2×5=
0.8×0.5= 7.6-6.7= 3.6×70= 4.9+5.1×0.1=
进入组卷