Jawabanmu

2014-05-17T18:51:47+07:00
-2432 .............................................
(7x7)-(29x89)+100= 49-2581+100 = -2432
2014-05-17T18:52:03+07:00
7*7-29*89+100
= 49-2581+100
= -2532+100
= -2432