0.3+3.2= 0.2-0.19= 100×0.38= 0.12=
0.15+0.1= 2.8÷100= 1.5×0.2+0.3= 8-0.8÷8=
1.2+4.5=
0.28×10=
6.87-0.87=
2.5×8=
0.2×0.2×0.2=
0.24÷3=
2.4÷0.04=
21.8÷2=
7÷5=
0.57÷0.1=
0.9÷2=
1.5÷0.5=
56÷0.8=
8.4÷8=
1.1-0.11=
0.4×0.4=
0.06÷0.12=
5.2÷0.13=
0.42÷7= 2÷5= 1÷0.2=
8.4÷2.1= 1.26÷0.6= 0.9×100÷1000=
0.48÷0.8= 2.5×4= 0.3÷0.01= 3.2×0.4=
4÷0.5= 5.5÷1.1= 12÷0.3= 1÷0.25=
1500平方分米=平方米 20元2分=元