1⼀3x3.14x括号1.2÷2的平方乘二等于多少?

2025-03-16 04:45:07
推荐回答(1个)
回答(1):

1/3×3.14×(1.2÷2)²×2
=1/3×3.14×0.36×2
=1/3×0.36×3.14×2
=0.12×6.28
=0.7536