4.7+2.3= 4.5Ã2= 6.9ï¼2.5= 7.2Ã0.8=
6Ã3.4= 0.62ï¼0.32= 1.4Ã0.5= 0.75Ã100=
0.02Ã0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125Ã8= 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= 0.8Ã1.1= 7.2+12.8= 46.7ï¼3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65Ã10= 0.35Ã0.6=
3.08Ã0.01= 4.95Ã1000= 6.9Ã0.1= 0.4Ã0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325Ã100= 2.5Ã8=
0. 56÷0.7= 0.125Ã4= 3.28Ã0.1= 3.9÷0.13=
7.2Ã0.1= 0.01Ã0.1= 0.25Ã0.4= 1.6÷0.8=
1÷2.5= 1.25Ã0.8= 3.2÷0.04= 0÷1.7=
0.22Ã102= 9÷0.25÷4= 0.25Ã3.97Ã4= ï¼1.2ï¼8.8ï¼Ã0.4=
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