0.6*1.2=0.72,0.84÷0.6=0.504,4.5*0.1=0.45,15*0.4=6,0.1*0.5=0.05,2.8÷7=19.6 10÷0.01=1000, 1.4*2=0.7,0.72÷8=0.09,6÷0.3=20,0.5*0.5=1,4*0.2=20,4÷0.5=8,7*0.1=70,1*0.2=5,2*0.2=10。
这是初中学的知识点,用于计算小数的乘除运算。