2.3×5=
0.3+0.01=
4÷0.5=
6.7-2.3=
2.3÷0.01=
①1.45×0.12=
②3.08×0.28=
③2.78×4.6=
④13.5×26.7=
⑤6.15×0.35=
⑥92.32×3.4=
被调查学生对端午节文化习俗了解情况统计图