0.6×2= 3.5÷5= 0.9×0.7= 1.25×0.8=
0.27÷3= 3.6÷1.8= 0×7.1+2.9= 0.3a+0.7a=
2.5×0.4=
6.3÷9=
7.6+0.6=
10.5-5=
200×0.5=
57÷1.9=
4÷80=
0.45÷0.3=
1.29-1.29÷1.29=
列式:60÷480
列式:(15﹣5)÷