=174:{2[36+(16-23)]}

=174:{2[36+(-7)]}

=174:{2x29}

=174:58

=3

174:{2[36+(4^2-23)]}

=174:{2[36+(-7)]}

=174:{2.29}

=174:58

=3

\(174:\left\{2.\left[36+\left(4^2-23\right)\right]\right\}\)

\(=174:\left\{2.\left[36+\left(16-23\right)\right]\right\}\)

\(=174:\left\{2.\left[36+\left(-7\right)\right]\right\}\)

\(=174:\left\{2.29\right\}\)

\(=174:58\)

\(=3\)

174 : {2.[36 + (4⁴ - 23)]}

= 174 : {2.[36+(-7)]}

= 174 : {2. 29}

= 174 : 58

= 3

Ta có 174 : {2.[36 + (4² - 23)]}

= 174 : {2.[36 + (-7)]}

= 174 : (2 . 29)

= 174 : 58

= 3

\(27.77+24.27-27\)

\(=27.\left(77+24-1\right)\)

\(=27.100\)

\(=2700\)

\(174\div\left\{2\left[36+\left(4^2-23\right)\right]\right\}\)

\(=174\div\left\{2\left[36+\left(16-23\right)\right]\right\}\)

\(=174\div\left\{2\left[36+\left(-7\right)\right]\right\}\)

\(=174\div\left\{2.29\right\}\)

\(=174\div58\)

\(=3\)

\(3^2.4-\left[30-\left(5-2\right)^2\right]\)

\(=9.4-\left[30-3^2\right]\)

\(=36-\left[30-9\right]\)

\(=36-21\)

\(=15\)

c) \(174:\left\{2.\left[36+\left(4^2-23\right)\right]\right\}\)

\(=174:\left\{2.\left[36-7\right]\right\}\)

\(=174:\left[2.29\right]\)

\(=174:58\)

\(=3\)

=174/{2[36+(16-23)]}

=174/{2[36+(-7)]}

=174/{2*19}

=174/38

=87/19

ghi dấu lại cho mk hiểu vs bạn k/quả là bao nhiu

n: =345:(-345)=-1

n, (-15) x (-23) : (-345)

=   345  : (-345)

= -1

o, 36.55 - 185.11 + 121.5

 = 36.11.5 - 5.11.37 + 11.11.5

= 11.5.(36- 37 + 11)

= 11.5.10

= 550

/ là j v.

\(=\left(\dfrac{19}{42}+\dfrac{23}{42}\right)+\left(\dfrac{1}{37}+\dfrac{36}{37}\right)+10\)

=12