一个数的
倍是1，这个数是多少？
直接写得数
1.25×0.8=
﹣
=
×= 2÷
=
÷
×=
÷
= 5÷1%= 1﹣7%= 1﹣
×
= 20×（2+）=
直接写出得数．
1.25×8= 8.4÷0.7=
+
= 0.78+0.32=
×16= 1÷
﹣÷1= 13﹣
﹣
= 0.25×0.31×4=
0.1×0.2= 1﹣0.9= 0.32÷2= 0.8×5= 0.9×0.1=
3.11+2.22= 0.36÷0.4= 12.5+12.5×7= 8m﹣6m= 10﹣0.34﹣0.66=
直接写出得数．
1÷0.125= 2.5×4=0.092= 3.4÷0.17=
0.6×0.4= 1﹣0.14=
= 15÷
=
8﹣
=
+
=
÷
=