共30题用时5分钟
1.5-0.06=
0.75÷15=
9.6÷4.8=
5.5×2=
3.5×200=
3-1.5×2=
0.125×8-0.1=
2.4×0.5=
0.48÷6=
0.6÷3+3=
2×3.1=
6.4-4=
3.25+0.75=
9.9-0.9÷0.1=
17×40=
100-63=
0.91÷13=
3.2+1.68=
0.5+0.5÷0.5=
50×0.8=
0.99÷33=
4×7.5×2.5=
4.8÷8=
4.5×0.1=
(2.7-2.7)×3.5=
2÷0.4=
1.3×7=
2.1×40÷10=
2.4÷0.8=
2.8×0.4=