433-299=
0.25×0.04=
87÷8.7=
2 - 5%=
3.48+6.52=
4.2÷7=
÷ 5 =
×=
3.2+8=
2-2÷9=
5.5-5=
36×75%=
7.32-5.9-0.32=
6÷=
24÷10%=
1.3×2÷1.3×2=
综合算式: