Jawabanmu

2014-09-11T20:16:15+07:00
[1+2÷3×4]×[9×7(7-8)÷(5+6)]=
[7/6]x[-63/11]=
-441/66
*Ralat ya

[1+2÷3×4]×[9×7(7-8)÷(5+6)]=
[7/6]x[-63/10]=
-441/60
2014-09-11T20:22:20+07:00
Ini jawaban yang paling benar.
[1+2:3x4]x[9x7(7-8):(5+6)
=[1+2/3x4]x[9x7x(-1):11
=[1+8/3]x[-63:11]
=[3/3 + 8/3]x[-63/11]
=11/3 x -63/11
=-63/3
=-21