填空0f-T9`2E4R.O3n5h0?3f'I,T
已知4x+8=10,那么2x+8=4~-s.Q1w,J,H6V-_3d:O2@'n6y;G;O+q7W。0f-T9`2E4R.O3n5h0?3f'I,T