2.8×0.92.8 3.69÷0.93.69
8.1÷0.0981÷0.9 3.8÷0.10.38×100
①11.61÷4.3=
②7.49÷0.35=
③※12.8÷2.5=
④※0.546÷0.65=
①3.22÷1.4-0.98
②15.52-1.6×5
③(80+0.5)÷1.25
④59.4-23.1÷0.7