请展开查看知识点列表
- = + = + =
1- = + = - =
改正:
- = + = - =
0.8+0.4= 0.6-0.2= 3.6×10= 9÷100=
6.7+0.3= 1-0.9= 0.52÷10= 8.14×100=
+ = - = + = - =
进入组卷