Question

(7-6³)-[4-(5²-2²).7]

Answer 1

-6³ = -6 * -6 * -6 = -216
5² = 5 * 5 = 25
-2² = 2  * 2 = -2


(7-6³)-[4-(5²-2²).7]
( 7 -216) -[ 4-(25 - 4).7]
-209 -[ 4- 21.7]
-209  -[ 4- 147
-209 - [ -143 ] 
-209 + 143
-66

Resposta : -66

Answer 2

(7-216)-[4-(25-4).7]
209-[4-147]
209 + 143
352