0.84里面有()个0.1和()个0.01 17.86里面有()个1,()个0.1和()个0.01 7.8里有()个0.1

问题描述:

0.84里面有()个0.1和()个0.01 17.86里面有()个1,()个0.1和()个0.01 7.8里有()个0.1

0.84里有8个0.1和4个0.01;17.86里有17个1,8个0.1和6个0.01;7.8里有78个0.1.