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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( - ) : ( + ) = -
( - ) × ( + ) = -