作业帮1/x-1/y=3 求x-3xy-y/2x-xy-2y 等于多少
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/06 06:04:23
x)3ԯ5ԯ5VxBRRߨBHU*<_dW%nhTOr;v P!`Q[
0kk@DLF 1& ] [
1/x-1/y=3 求x-3xy-y/2x-xy-2y 等于多少
1/x-1/y=3 求x-3xy-y/2x-xy-2y 等于多少
1/x-1/y=3 求x-3xy-y/2x-xy-2y 等于多少
1/x-1/y=3
则
x-y=-3xy
x-3xy-y/2x-xy-2y
=(-3xy-3xy)/(-6xy-xy)
=6/7