7.2÷0.01=
2.5×0.8=
5.4÷0.06=
1.5+2.85=
13.7÷100=
3.1×0.8=
4.23×0.2=
2.5×4÷2.5×0.4=
0.12×5= 0.84÷7= 16.9÷13=
0.45+0.55= 2﹣0.12= 6.4÷0.16=
综合算式: