Question

求题答案 分式化简求值题及答案

Answer 1

.-9(x-2)-y(x-5)当x=5,y=12时,求式子的值.2.5(9+a)×b-5(5+b)×a当a=5/7时,求式子的值.3.62g+62(g+b)-b当g=5/7,b=16时,求式子的值.4.3(x+y)-5(4+x)+2y当x=9,y=2时,求式子的值.5.(x+y)(x-y)当x=0.45,y=0.65时,求式子的值.6.2ab+a×a-b当a=8.2,b=0.2时,求式子的值.7.5.6x+4(x+y)-y当x=0.25.y=8时,求式子的值.8.6.4(x+2.9)-y+2(x-y)当x=12,y=0.2时,求式子的值.9.(2.5+x)(5.2+y)当x=2.3,y=5.1时,求式子的值.10.(2x-3xy+4y)+(x+2xy-3y)当x=2.y=3.5时,求式子的值.