4.7+2.3= 4.5×2= 6.9-25= 7.2x0.8=
6x3.4= 0.62-0.32= 1.4x0.5= 0.75x100=
0.02x0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125x8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65×10= 0.35x0.6=
3.08x0.01= 4.95×1000= 6.9x0.1= 0.4×0.5=
所需点数：0
