A.0.70 B.0.7011 C.0.701701…
<<<
7.5×1.17.5÷1.1
2.4÷0.62.4 0.56÷0.10.56×100
8.7578.75 0.662÷3 30.6÷330.92727……
8.55 1.88÷1.011.88