Question

[lord huy]

Mọi người hay cong phan so[ co ghi trinh bay phep tinh luon nha]

112 71

+

-17 -83

-

-41 -71

-

-66 83

Answer 1

[_Lương Linh_]

Trả lời:

\(\frac{112}{71}+\frac{-17}{-83}-\frac{-41}{-71}-\frac{-66}{83}\)

=\(\frac{112}{71}+\frac{17}{83}-\frac{41}{71}+\frac{66}{83}\)

\(=\frac{112}{71}-\frac{41}{71}+\frac{17}{83}+\frac{66}{83}\)

\(=1+1\)

\(=2\)

Tk mk nha!