Вычислите (-7)^2 - (0,6)^2= (3,8-4,1)^2 : (-0,1)^2

Question

Вычислите
(-7)^2 - (0,6)^2=

(3,8-4,1)^2 : (-0,1)^2

Answer 1

1) (-7)^2-(0,6)^2 = 48,64
2) (3,8-4,1)^2:(-0,1)^2 = 9

Answer 2

(-7)^2 - 0,6^2 = 49 - 0,36 = 48,64

(3,8-4,1)^2 : (-0,1)^2 = (-0,3)^2 : (-0,1)^2 = 0,09/0,01 = 9.

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