Question

Tính bằng cách thuận tiện

39,52-23,48+20,48-26,52

 

Answer 1

\(39,52-23,48+20,48-56,52\)

\(=\left(39,52-26,52\right)-\left(23,48-20,48\right)\)

\(=3-3\)

\(=0\)

Answer 2

\(39,52-23,48+20,48-26,52\\ =\left(39,52-26,52\right)+\left(-23,48+20,48\right)\\ =13-3\\ =10.\)

Answer 3

Mình cảm ơn

 

Answer 4

\(39,52-23,48+20,48-26,52\)

\(=\left(39,52-26,52\right)-\left(23,48-20,48\right)\)

\(=13-3\)

\(=10\)