ແກ້ [(-2/5)^{2}*(1/4)^{2}]^{2}:(5^{2}*2^{2})^-2-(4/5)^-5*(-4/5)^-4:(frac{4}{5})^-7 | ແກ້ໄຂ [(-2/5)^{2}*(1/4)^{2}]^{2}:(5^{2}*2^{2})^-2-(4/5)^-5*(-4/5)^-4:(frac{4}{5})^-7

ປະເມີນ

ຂັ້ນຕອນການແກ້

ຕົວປະກອບ

Quiz

Arithmetic

ບັນຫາທີ່ຄ້າຍຄືກັນຈາກWeb Search

https://socratic.org/questions/how-do-you-simplify-a-b-a-b-4-4a-2-4b-2-a-b-4-a-2-2ab-b-2-16-16a-4-16b-4

https://socratic.org/questions/how-do-you-find-the-nth-partial-sum-determine-whether-the-series-converges-and-f-9

https://socratic.org/questions/how-to-solve-1-a-2-1-a-3-2-1-a-1-2-a-1-2-1-a-3-2-1-a-1-2-a-1-2-1-a-0-a-1

ແບ່ງປັນ

ສໍາເນົາຄລິບ

\frac{\left(\frac{4}{25}\times \left(\frac{1}{4}\right)^{2}\right)^{2}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄຳນວນ -\frac{2}{5} ກຳລັງ 2 ແລະ ໄດ້ \frac{4}{25}.

\frac{\left(\frac{4}{25}\times \frac{1}{16}\right)^{2}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄຳນວນ \frac{1}{4} ກຳລັງ 2 ແລະ ໄດ້ \frac{1}{16}.

\frac{\left(\frac{1}{100}\right)^{2}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄູນ \frac{4}{25} ກັບ \frac{1}{16} ເພື່ອໃຫ້ໄດ້ \frac{1}{100}.

\frac{\frac{1}{10000}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄຳນວນ \frac{1}{100} ກຳລັງ 2 ແລະ ໄດ້ \frac{1}{10000}.

\frac{\frac{1}{10000}}{\left(25\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄຳນວນ 5 ກຳລັງ 2 ແລະ ໄດ້ 25.

\frac{\frac{1}{10000}}{\left(25\times 4\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄຳນວນ 2 ກຳລັງ 2 ແລະ ໄດ້ 4.

\frac{\frac{1}{10000}}{100^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄູນ 25 ກັບ 4 ເພື່ອໃຫ້ໄດ້ 100.

\frac{\frac{1}{10000}}{\frac{1}{10000}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຄຳນວນ 100 ກຳລັງ -2 ແລະ ໄດ້ \frac{1}{10000}.

1-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

ຫານ \frac{1}{10000} ດ້ວຍ \frac{1}{10000} ເພື່ອໄດ້ 1.

1-\left(-\frac{4}{5}\right)^{-4}\times \left(\frac{4}{5}\right)^{2}

ເພື່ອຫານເລກກຳລັງຂອງຖານດຽວກັນ, ໃຫ້ລົບເລກກຳລັງຂອງຕົວຫານອອກຈາກເລກກຳລັງຂອງຕົວເສດອອກ.

1-\frac{625}{256}\times \left(\frac{4}{5}\right)^{2}

ຄຳນວນ -\frac{4}{5} ກຳລັງ -4 ແລະ ໄດ້ \frac{625}{256}.

1-\frac{625}{256}\times \frac{16}{25}