| 0 3 3| A= | 1 1 0||-1 2 3|AB=A+2B 求B A= 0 3 31 1 0-1 2 3

已知(3a-b+1)的绝对值+(3a-b/2)^2=0求b^2/a+b除以(b/a+b*ab/a+b)的值 已知|2a-b+1|+(3a+3/2b)=0,求代数式3ab+a/a-b÷a+3b/a-b的值, 已知有理数a,b满足|a+b-2|+(a^2*b^2+2ab+1)=0,求代数式:(a-2b+3)(a-2b-3)-(b 已知a^2+4ab+b^2+a^2b^2+1=0,求a^3b+2a^2b^2+ab^3-ab的值 已知|a+b+z|+(ab-1)^2=0,求2(a+b)-2[ab+(a+b)]-3[2(a+b)-3ab]的值 已知|a+b+2|+(ab-1)²=0,求2(a+b)-2[ab+(a+b)]-3[2(a+b)-3ab]的值 1 已知│3a-b+1│+(3a-3/2b)2=0,求b2/a+b÷[(b/a-b)(ab/a 已知|2a-b+1|+(3a+3/2b)^2=0求b^2/a+b/{(a/a-b-1)(a-a^2/a+b)} 已知|2a-b+1|+(3a+3/2b)^2=0求[b^2/a+b]/[(a/a-b-1)][(a-a^2/a-b)} 已知3a*a+ab-2b*b=0(a不等于0,b不等于0),求a/b-b/a-(a*a+b*b)/ab的值. 已知2a-b+1的绝对值+(3a+3/2b)^=0,求(b^/a+b)÷{[(b/a-b)+1][a-(a^/a+b)] 已知丨a-b+3丨+(2a+b)^2=0,求(a+1/2b)^2-(a-1/2b)^2-a^2·(-2ab)