1÷11=0.0909… 2÷11=0.1818… 3÷11=0.2727… 4÷11=0.3636…
①3×0.4=
②3.9÷0.3=
③348÷4.9≈
④1.17+0.83×0=
⑤(5.6+0.56)÷8=
6.86×0.74= 12÷0.24= ☆0.755÷0.28≈ (得数保留两位小数)