共30题用时5分钟
1.75+32.5=
16-5.07=
0.02×0.5=
5.2÷13=
1.64÷41=
3.6÷0.3=
0.75÷0.25=
6.3÷7=
5.6÷100=
4.8÷0.3=
0.125×8=
0.96÷2=
0.56÷28=
0.36÷0.4=
0.64÷0.8=
3.6÷24=
0.72÷3.6=
0.8×1.1=
7.2+12.8=
12.8÷4=
46.7-3.8=
12.5÷5=
10.5×0.4=
2÷5=
0.96÷0.2=
0.3÷0.6=
7.3+0.27=
4.5+5=