ແກ້ 126(1/y-1/x+y):x/y | ແກ້ໄຂ 126(1/y-1/x+y):x/y

ປະເມີນ

ຂະຫຍາຍ

Quiz

Algebra

ບັນຫາທີ່ຄ້າຍຄືກັນຈາກWeb Search

https://socratic.org/questions/how-do-you-solve-the-following-system-1-2x-y-1-x-3y-7

https://www.tiger-algebra.com/drill/-10x_7y=-70$-6/7/

https://math.stackexchange.com/q/173492

https://www.quora.com/Let-x-and-y-be-a-positive-integer-solution-of-the-equation-frac-1-x+1-+-frac-1-y-1-frac-7-12-How-does-one-find-the-possible-values-of-x-and-y

https://socratic.org/questions/whats-the-simplified-form-of-1-y-1-x-1-y-1-x

https://socratic.org/questions/how-do-you-simplify-x-y-y-x-1-y-1-x

ແບ່ງປັນ

ສໍາເນົາຄລິບ

\frac{126\left(\frac{x+y}{y\left(x+y\right)}-\frac{y}{y\left(x+y\right)}\right)}{\frac{x}{y}}

ເພື່ອເພີ່ມ ຫຼື ຫານນິພົດ, ໃຫ້ຂະຫຍາຍພວກມັນເພື່ອໃຫ້ຕົວຄູນມີຈຳນວນດຽວກັນ. ຈຳນວນຄູນທີ່ນິຍົມໜ້ອຍທີ່ສຸດຂອງ y ກັບ x+y ແມ່ນ y\left(x+y\right). ຄູນ \frac{1}{y} ໃຫ້ກັບ \frac{x+y}{x+y}. ຄູນ \frac{1}{x+y} ໃຫ້ກັບ \frac{y}{y}.

\frac{126\times \frac{x+y-y}{y\left(x+y\right)}}{\frac{x}{y}}

ເນື່ອງຈາກ \frac{x+y}{y\left(x+y\right)} ແລະ \frac{y}{y\left(x+y\right)} ມີຕົວຫານດຽວກັນ, ໃຫ້ຫານພວກມັນໂດຍການຫານຈຳນວນທີ່ເປັນເສດໃນເລກເສດສ່ວນຂອງພວກມັນ.

\frac{126\times \frac{x}{y\left(x+y\right)}}{\frac{x}{y}}

ຮວມຂໍ້ກຳນົດໃນ x+y-y.

\frac{\frac{126x}{y\left(x+y\right)}}{\frac{x}{y}}

ສະແດງ 126\times \frac{x}{y\left(x+y\right)} ເປັນໜຶ່ງເສດສ່ວນ.

\frac{126xy}{y\left(x+y\right)x}

ຫານ \frac{126x}{y\left(x+y\right)} ດ້ວຍ \frac{x}{y} ໂດຍການຄູນ \frac{126x}{y\left(x+y\right)} ໂດຍຕົວເລກທີ່ກັບກັນຂອງ \frac{x}{y}.

\frac{126}{x+y}

ຍົກເລີກ xy ທັງໃນຕົວເສດ ແລະ ຕົວຫານ.

\frac{126\left(\frac{x+y}{y\left(x+y\right)}-\frac{y}{y\left(x+y\right)}\right)}{\frac{x}{y}}

\frac{126\times \frac{x+y-y}{y\left(x+y\right)}}{\frac{x}{y}}