用一根长20米的绳子围绕一棵树的树干绕了6圈,还余下1.16米,这棵树的树干的直径大约是多少米?求算式!

2025-04-01 14:01:51
推荐回答(1个)
回答1:

(20-1.16)÷6÷3.14
=18.84÷6÷3.14
=1