Nilai x = 7, y = 4 1. x - (x + y ) = 2. y + 6 - x = 3. xy - ( y × 6) =

7-(7+4)= -4
4+6-7= 3
7 x 4 - (4 x 6 ) = 4

Jika x = 7 & y = 4

1) x - (x+y)
@ 7 - (7+4)
@ 7 -11 = -4

2) y + 6 -x
@ 4 + 6 -7
@ 10 - 7 = 3

3) xy - (y x 6)
@ (7)(4) - (4 x 6)
@ 28 - 24 = 4


Semoga membantu.. ^_^