(1)原式= 3 3 × 3 2 +( 3 2 )2-( 2 2 )2×1,= 1 2 + 3 4 - 1 2 = 3 4 .(2)原式= 1 4 + 1 1 4 -3×( 3 2 )2+1-1,= 1 4 +4- 9 4 =2.