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Đáp án+Giải thích các bước giải:

a) {`132` - [`1``1``6` `-` (`1``6` - `8`)] `:` `2`}.`5`

= [`132`  `-` (`1``1``6` - `8`)`:` `2`] `.` `5`

= (`1``3``2` - `1``0``8` `:` `2`)`.` `5``4`

= (`1``3``2` - `5``4`).`5`

= `7``8`.`5` = `3``9``0`

b) `3``6`: {`1``3``6` : `2``0``0` - (`1``2`+ `8`. `2``0`)]}

= `3``6`: {`3``3``6` : [`2``0``0` - ( `1``2` + `1``6``0`)]}

= `3``6` : [`3``3``6` : ( `2``0``0` - `1``7``2`)

= `3``6` : ( `3``3``6` : `2``8`) = `3`

c) `86` `-` [`15``.` (`64` `-` `39`) `:` `75``+``11`] 

= `86` `-` (`15``.``25` : `75` `+` `11`)

= `86` `-` (`5` `+` `11`) 

= `70`

d) `55``−`[`49``−`(`2³``.``17``−``2³``.``14`)]

=`55``−`(`49``−``2³`.`3`)`=`55``-``49``-``23``.``3`

= `55``-` (`49` `-` `24`)

= `30`

2

a, {`145``–`[`130``–`(`246``–``236`)]`:``2`}`.``5`

= {`145``–`[`130``–``10``:``2`]}`.``5`

= {`145``–``130`}`.``5`

= `20``.``5` `=` `100`

b, `100``:`{`250``:`[`450``–`(`4``.``5³``-``2²``.``25`]}

= `100``:`{`250``:`[`450``–``400`]}

= `100``:`{`250``:``50`}

= `100``:``5` `=` `20`

c, `325``-``5`[`4^3``-`(`27``-``5^2`)]`:``1^18`

= `325``-``5`[`12``-`(`27``-``25`)]`:``1`

= `325``-``5``.``62``:``1`

= `325``-``310`

= `15`

d, `17^0`+ [`5^13` : `5^11` + (`135` `-` `130`)³

= `1` `+` [`5²``+` `5³` ]

= `1` `+` `150`

= `151`