×2.8 =
0.75+ =
=
0.25×23×4=
99×+× 99=
14.7-4.07=
4×÷4×=
÷= ×= 4÷= 1.2×=
÷0.5= 4.9×= 1.2×= 1÷×
绕口令
诗朗诵
讲故事
说相声
票数
14
10
占总票数的百分比
10%
25%
30%
307﹣299= += ×0.63= A﹣A=
5.2﹣0.6= ÷= ×= 4.25×4=