ແກ້ 3/116-10^-19

$$\frac{ 3 }{ 116- { 10 }^{ -19 } }$$

ປະເມີນ

$$\frac{30000000000000000000}{1159999999999999999999}\approx 0,025862069$$

ຂັ້ນຕອນການແກ້

ຄຳນວນ 10 ກຳລັງ -19 ແລະ ໄດ້ \frac{1}{10000000000000000000}.

$$\frac{3}{116-\frac{1}{10000000000000000000}}$$

ລົບ \frac{1}{10000000000000000000} ອອກຈາກ 116 ເພື່ອໃຫ້ໄດ້ \frac{1159999999999999999999}{10000000000000000000}.

$$\frac{3}{\frac{1159999999999999999999}{10000000000000000000}}$$

ຫານ 3 ດ້ວຍ \frac{1159999999999999999999}{10000000000000000000} ໂດຍການຄູນ 3 ໂດຍຕົວເລກທີ່ກັບກັນຂອງ \frac{1159999999999999999999}{10000000000000000000}.

$$3\times \frac{10000000000000000000}{1159999999999999999999}$$

ຄູນ 3 ກັບ \frac{10000000000000000000}{1159999999999999999999} ເພື່ອໃຫ້ໄດ້ \frac{30000000000000000000}{1159999999999999999999}.

$$\frac{30000000000000000000}{1159999999999999999999}$$

ຕົວປະກອບ

$$\frac{2 ^ {19} \cdot 3 \cdot 5 ^ {19}}{19 ^ {2} \cdot 1408206557 \cdot 2281835987} = 0,02586206896551724$$