Question

c) (-625): x = 25;
B) x:(-8) =9
Dau corona ​

Answer 1

Răspuns:

Explicație pas cu pas:

c)  

( - 625) : x = 25

x = ( - 625) : 25

x = - 25

Verific:

( - 625 ) : ( - 25 ) = 25

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625 : 25 = 25

50  

125

125  

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b)

x : ( - 8) = 9

x = 9 × ( - 8)

x = - 72

Verific:

( - 72) : ( - 8 ) = 9

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( - ) : ( + ) = -

( - ) × ( + ) = -