`32-5xx2` of `3+(8-bar(12-30))`

12.2bar(8)

5.7bar(32) + 8.bar(613)

52-[48 divide 12 xx 6 {6-(8 xx 3 - bar(6-4))}]

[3077 - 85{32 divide 8 xx (24-bar(36-18))}]

Simplify: (i) 5/12 xx (-36) , (ii) -17/18 xx 12 , (iii) -5/6 xx 6/5 , (iv) -14 xx 9/28 , (v) -12/5 xx (-15) , (vi) -3/4 by 8/7 , (v) -16/9 by 12/-5 , (vi) 35/(-8) by 12/(-5) (vii) -3/10 by -40/9 , (viii) -32/5 by 15/(-16) , (ix) -8/15 by -25/32

simplify the following : 987 - bar(43 +25) -10[5 + {999 -:(bar(9 xx 3) ) + bar((8 xx 9) -: 6)4}]

Simplify : 3a xx [8b div 4 - 6{a - (5a - bar(3b - 2a))}]