Đáp án:
Giải thích các bước giải:
$\text{6.}$
$\text{A = $2^2$ - $5^2$ - $3^2$ . 10$
$\text{= 4 - 25 - 9 . 10}$
$\text{= 4 - 25 - 90}$
$\text{= (- 21) - 90}$
$\text{= -111}$
$\text{B = $3^3$ . $3^2$ - $2^2$ - $3^2$}$
$\text{= 27 . 9 - 4 - 9}$
$\text{= 243 - 4 - 9 = 239 - 9 = 230}$
$\text{C = 5 . $4^3$ + $2^4$ . 5}$
$\text{= 5($4^3$ + $2^4$)}$
$\text{= 5(64 + 16)}$
$\text{= 5 . 80 = 400}$
$\text{D = $5^3$ + $6^3$ + $7^3$ + 79 . $2^2$}$
`= 125 + 216 + 343 + 79 . 4`
`= 125 + 216 + 343 + 316 = 341 + 343 + 316 = 684 + 316 `
`= 1000`
`K = 3(5^2 - 4^2) = 3(25 - 16) = 3 . 9 = 27`
`F = 8^2 + 6^2 + 5^2 = 64 + 36 + 25 = 125`
`G = 5 . 4^2 + 3^2 . 5 . 2 - 1 =5 . 16 + 9 . 2 . 5 - 1 = 5 . 16 + 18 . 5 - 1`
`= 5(16 + 18) - 1 = 5 . 34 - 1 = 170 - 1 = 169`
`H = 6^3 - 8^2 - 2^2 = 126 - 64 - 4 = 148`
$#Zero#$
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