请展开查看知识点列表
36× = 2.7÷0.01= ÷75%=
① + -
② -( + )
③ -( - )
④ + +
⑤10- -
⑥ + + +
216+399= 0.25×8= 30÷10%= 0.2²=
3.6÷12= 1- = =
3+2÷9= - = - = + =
4 - = +1.75= +1.2= + - + =
进入组卷