口算.
5.6÷0.07= 0.02×25= 6÷1.2= 2.5×0.6= 12.5×8=
0.02×0.1= 6.3÷0.7= 0.18+0.72= 0.8×0.5= 99+0.1﹦
42= 0.12= 0.08×10= 1÷0.125= 1÷0.01=
1﹣0.02= 43×0.01﹦ 4.2÷2.1= 1.8÷0.18= 1.03﹣0.9=
口算.
5.6÷0.07= 0.02×25= 6÷1.2= 2.5×0.6= 12.5×8=
0.02×0.1= 6.3÷0.7= 0.18+0.72= 0.8×0.5= 99+0.1﹦
42= 0.12= 0.08×10= 1÷0.125= 1÷0.01=
1﹣0.02= 43×0.01﹦ 4.2÷2.1= 1.8÷0.18= 1.03﹣0.9=