Question

(A-)²,em qu:
A=(-50):(-5-5).(-5)
B=[(-8):(+2)-7-(-1)].5 ​

Answer 1

Resposta:

A= (-50) : (-5-5).(-5)

(-50) : (-10).(-5)

(+5).(-5)

= -25

B= (-8) : (+2) - 7- (-1) .5

-4 - 7 + 1.5

-11+5

= -6

(A-B)²

(-25-(-6))²

(-25+6)²

(-19)²

= -19 × -19

= + 361