jika m= (-3) x (5+ (-11)) dan n = (-2) x (7- (-2)) maka nilai m : n adalah

M = ( - 3 ) × ( 5 + ( - 11 ) )
M = ( - 3 ) × ( - 6 )
M = 18

N = ( - 2 ) × ( 7 - ( - 2 ) )
N = ( - 2 ) × 9
N = - 18

M : N
= 18 : - 18
= ( - 1 )

Semoga Membantu ^-^