=0.6X6X0.5-6X0.8X0.2 =6X(0.6X0.5-0.8X0.2) =6X1.4=8.4 回复 何小燕用户 =0.6X6X0.5-6X0.8X0.2 =6X(0.6X0.5-0.8X0.2) =6X1.4=8.4 2025-01-22 1楼 回复 (0)
=0.6X6X0.5-6X0.8X0.2 =6X(0.6X0.5-0.8X0.2) =6X1.4=8.4