2|3a-2b|+(b-3)2次方=0那么3a-2b=0 b-3=0解得a=2 b=31/4a的2b-1次方-(a的3次方+1\2a的3次方+3)=1/4×2^(2×3-1)-(2³+1/2×2³+3)=1/4×2^5-(8+4+3)=8-15= -7
a=2;b=3;结果:-7