3.14×12눀x12x3⼀1 3.14x12눀x12=

2025-03-06 23:57:51
推荐回答(1个)
回答1:

3.14×12²x12x3/1 +3.14x12²x12
=3.14x(144x4+144x12)
=3.14x(576+1728)
=3.14x2304
=7234.56