0.07÷0.7= 0.15×4= 3.4×0.6= 0.7×0.33×0=
0.01×0.2= 5.4÷0.06= 33.5÷5= 13.6÷0.2÷5=
2.5+0.37= 1﹣0.73= 0.5×0.8= 0.9×7=
1.2÷0.4= 4÷0.5= 3.6÷4= 0.84÷0.4=
①等量关系式:
②列方程解答: