3 x3x 3- 3x 3x 3 = 03 x3x 3÷ 3÷ 3 ÷3 =1有多种解法，请追问我
3+3+3-3-3-3=0（3+3+3+3-3-3）÷3=1
3x3-3x3+3-33x3-3x3+3÷3
3×3×3÷3÷3÷3＝13×3×3－3×3×3＝0＝3＋3－3＋3－3＋3－3
