先化简,再求值:2(x2y+xy)-3(x2y-xy)-4x2y,其中x,y满足.
1-(-1)×(-1)-(-1)×0×(-1)
(-10)××0.1×6
│-2│-(-)+1-│1-│
0-21+(+3)-(-)-(+)
(3-5)-(6-10)