直接写得数
0.4+0.6= 0.35÷10=09.5÷0.95= 0.45+0.55=
0.7﹣0.07= 100×0.1= 1.1÷0.25= 0.8+1.5﹣1.5+0.8=
可以直接写出得数：
0.4+6= 8.2﹣0.8= 7﹣0.5= 0.27×0.1= 9.6÷0.01=
12.5×0.8= 0.34÷0.2= 4.2×0.9= 9.6÷100= 0.035÷7=
用竖式计算．
2.58+3.47 6.2﹣4.95 7.6×0.24 8.84÷1.7 3.05×0.66 3.9÷0.65．
口算
0.6+1.3= 8.9﹣5= 2+0.78= 8×0.9=
0.32×0.2= 32.1×0.3= 7.5﹣0.3= 3.2÷0.08=
5.6÷7= 9.5﹣7.65= 8.4÷0.2= 5.8+4.6=
接写出得数．
5.2+0.5= 7﹣0.06= 5.6÷7= 8.3﹣5.7=
1.06+9.4= 4.04÷4= 2.5×0.4= 9.93+0.1=
10﹣2.3= 0.18÷6= 6÷4= 0.24×5=
0.3×0.3= 2÷0.2= 15÷0.5= 20÷0.7=