直接写得数
0.25×3= 9.1÷1.3= 0.56×100= 4.5÷0.9=
1÷0.05= 3.3×0.4= 6.4÷0.08= 0.81÷0.9=
5.1÷1.7= 1×0.845= 15÷0.15= 4.2÷0.14=
直接写得数
0.25×3= 9.1÷1.3= 0.56×100= 4.5÷0.9=
1÷0.05= 3.3×0.4= 6.4÷0.08= 0.81÷0.9=
5.1÷1.7= 1×0.845= 15÷0.15= 4.2÷0.14=