Question

(-57).(67-34)-67.(34-57)

Mấy bn giải ra lun nha!

Answer 1

(-57).(67-34) - 67.(34-57)

= -57.67 + 57.34 - 67.34 + 67.57

= (67.57 - 57.67) + 34.(57-67)

= 0 + 34.(-10)

= -340

Answer 2

=-57.67+57.34-67.34+67.57

=-57.67+67.57+57.34-67.34

=0+(57-67).34

=-10.34

=-340

Answer 3

cậu ơi 34+ mấy = 57 ạ

Answer 4

(–57) . (67 – 34) – 67 . (34 –57)

= [(–57) . 67 – (–57 ) . 34] – (67 . 34 – 67 . 57)

= – (57 . 67) – [–(57 . 34)] – (67 . 34 – 67 . 57)

= – 57 . 67 + 57 . 34 – 67 . 34 + 67 . 57

= 67 . 57 – 57. 67 + 57 . 34 – 67 . 34

= 0 + 34 . (57 – 67)

= 34 . (–10) = –340