口算.
7.85×0= 2.5×4= 7﹣1.9﹣4.1=
1÷0.25= 3×1.4= 12﹣9.9=
0.125×16= 3÷0.7= 9.6÷1.2=
5×1.02= 1.6×9+1.6= 8.4÷0.4=
口算.
7.85×0= 2.5×4= 7﹣1.9﹣4.1=
1÷0.25= 3×1.4= 12﹣9.9=
0.125×16= 3÷0.7= 9.6÷1.2=
5×1.02= 1.6×9+1.6= 8.4÷0.4=