请展开查看知识点列表
①18×( - )
②2021×
③ × ×14×32
④ ÷ -
⑤ × + ÷
⑥ ÷[ ×( + )]
× = + = 4- = ÷3=
÷ = 2.4÷ = 1.6× = - =
①
②
③
进入组卷