\(107-\left\{38+\left[7.3^2-24:6+\left(9-7\right)^3\right]\right\}:15\)

\(=107-\left\{38+\left[7.3^2-24:6+2^3\right]\right\}:15\)

\(=107-\left\{38+\left[7.3^2-4+2^3\right]\right\}:15\)

\(=107-\left\{38+\left[63-4+2^3\right]\right\}:15\)

\(=107-\left\{38+\left[59+2^3\right]\right\}:15\)

\(=107-\left\{38+67\right\}:15\)

\(=107-105:15\)

\(=107-7\)

\(=100\)

107 – {38 + [7.3² – 24 : 6+(9 – 7)³]}:15

= 107 - {38+ [7.3² - 24 : 6 + 2³ ]} : 15

= 107 - {38 + [ 7.9 - 24 : 6 + 8]} :15

= 107 - {38+[ 63 - 4 + 8]} : 15

= 107 - {38 + 67} : 15

= 107 - 105 : 15

= 107 - 7

= 100

17) 10 – [(8² – 48).5 + (2³.10 + 8)] : 28 - 7⁰

    = 10 - [(64 - 48).5 + (8.10 +8)] : 28 - 7⁰

    = 10 - [16.5 + 88] : 28 - 7⁰

    = 10 - [80 + 88] : 28 - 7⁰

    = 10 - 168 : 28 - 7⁰

    = 10 - 6 - 1

    = 3

nếu sai câu nào mong bạn thông cảm ^^

a: =50-36=14

a) 5².2 – 3².4                                                 b) 58.75 + 58.50 – 58.25

c) 107 – {38 + [7.3² – 24 : 6 + (9 – 7)³]}:15 d) (-23) + 13 + ( - 17) + 57

a) 5² . 2 - 3² . 4           b) 58 . 75 + 58. 50 - 58 . 25

= 25 . 2 - 9 . 4              = 58 . ( 75 + 50 - 25 )

= 50 - 36                      = 58 . 100

= 14                             = 5800

a) 5² . 2 - 3² . 4           b) 58 . 75 + 58. 50 - 58 . 25

= 25 . 2 - 9 . 4              = 58 . ( 75 + 50 - 25 )

= 50 - 36                      = 58 . 100

= 14                             = 5800

a: \(=47-\left[\left(45\cdot16-25\cdot12\right):14\right]\)

\(=47-30=17\)

b: \(=50-\left[6+34\right]\)

=50-40

=10

s: \(=125\cdot100-25\cdot192\)

\(=12500-4800\)

=7700

giúp 

_P^LEA^SE

c

=-4162,2

107 - {38 - [7 x 3² - 24 : 6 + (9 - 7)³]} : 15

= 107 - {38 - [7 x 9 - 4 + 2³]} : 15

= 107 - {38 - [63 - 4 + 8]} : 15

= 107 - {38 - [59 + 8]} : 15

= 107 - (38 - 67) : 15

= 107 - (-29) : 15

= 107 - (-1,99)

= 107 + 1,99

= 108,99

107-{38+[7.3^2-24:6+(9-7)^3]}:15

=107-{38+[7.9-24:6+23]} :15

=107-{38+[63-4+8]}:15

=107-{38+67}:15

=107-105:15

=107-7=7