196÷0.7=
※18.4÷0.4=
72.36÷6.7=
0.35÷0.7=
3.24+0.6 =
0.4÷0.01=
3.23-3.2=
1.25×8=
0.1-0.09=
0.15÷15 =
0÷0.8=
问:这两条绳子原来的长度是多少厘米?