共30题用时5分钟
1.01×99=
420÷35=
0.51÷17=
25×12=
0.36+1.54=
135÷0.5=
5.2÷1.3=
1÷5=
1.6×0.4=
4.9×0.7=
32.8+19=
6÷12=
3.5×0.1=
43÷0.1=
200×0.04=
12-1.2=
0.87-0.49=
1.3×0.5=
6.3÷0.7=
0.21×0.3=
5.69÷0.5=
5.5÷11=
0.42÷0.6=
1.53-0.5=
7.5-2.5=
0.56+4.44=
2.9+3.7+2.1=
12÷0.4=
7.8+0.9=
4×0.25=