共30题用时5分钟
6.07-1.69=
9.91-8.74=
5.00+6.13=
9.63+6.28=
4.68+7.10=
7.71-2.69=
7.78-5.15=
8.95-0.73=
3.61-0.30=
25×4=
14×5÷8=
8.94-6.73=
8.24-7.63=
9.21-8.20=
5.21+5.49=
9.45-3.01=
0.09+0.87=
3.54+7.84=
0.94+3.40=
6.77-4.79=
5.75-1.24=
6.39+9.31=
4.83-1.34=
3.18-2.65=
8.99-8.84=
3.50-2.54=
0.66+9.27=
2.76-1.02=
8.06-6.96=
6.88-0.49=