Đáp án:

`(4+32+6)+(10-32-2)`

`= 10+32+10-32-2`

`= 20-2`

`= 18`

`---`

`(56*35+56*18):53`

`= 56*(35+18):53`

`= 56*53:53`

`= 56`

`---`

`12 : {400 : [500-(125+25*7)]}`

`= 12 : {400 : [500-(125+175)]}`

`= 12 : {400 : [500-300]}`

`= 12 : {400 : 200}`

`= 12 : 2`

`= 6`

`---`

`303 - 3*{[655-(18:2+1)+5]}:10^0`

`= 303 - 3*{[655-(9+1)+5]}:1`

`= 303 - 3*{[655-10+5]}:1`

`= 303 - 3*650:1`

`= 303 - 1950`

`= -1647`

`---`

`6*3^2-(-3)*2^3`

`= 6*9 - 9 *8`

`= 9*(6-8)`

`= 9*(-2)`

`= -18`

`---`

`17*32+32*90-32*7`

`= 32*(17+90-7)`

`= 32*100`

`= 3200`

`---`

`120 : {54 - [50:2-(32-2,4)]}`

`= 120 : {54 - [25-29,6]}`

`= 120 : {54 - (-4,6)}`

`= 120 : 58,6`

`= 600/293`

`---`

`18:3+182+3*(51:17)`

`= 6+182 + 3*3`

`= 6+192+9`

`= 207`