Question

[Phạm Nhi]

Tính giá trị biểu thức

A=($\frac{1}{7}$17+$\frac{1}{23}-\frac{1}{1009}$123−11009):($\frac{1}{23}+\frac{1}{7}-\frac{1}{1009}+\frac{1}{7}.\frac{1}{23}.\frac{1}{1009}$123+17−11009+17.123.11009)+1:(30.1009-160)

$\left(\frac{1}{7}+\frac{1}{23}-\frac{1}{1009}\right)$

Answer 1

[Nguyễn Tuấn Anh]

mk chịu

Answer 2

[tiramisu]

mik cũng chịu ??