请展开查看知识点列表
2.5×40= 0.63÷0.7= 5.7+4.23= 42=
5.8×5= 1- = 1- = 63=
2.4×5= 1.2÷0.6= 2.3+2= 82 =
125×0.8= 1- = 3.5-3= 43=
进入组卷