3.14x12X5+3.14x(5霧2)的平方X2等于多少?

等于多少
2025-06-20 23:58:20
推荐回答(1个)
回答1:

=3.14×60+3.14×2.5²×2
=3.14×60+3.14×6.25×2
=3.14×60+3.14×12.5
=3.14×(60+12.5)
=3.14×72.5
=227.65