Różnica dwóch liczb jest równa 4, a suma tych liczb wynosi -2. Jakie to liczby? Na teraz!
a-b =4
a+b=-2
_______________-
-2b = 6
b = -3
a- (-3) = 4
a=1
Odp
b=-3
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a-b =4
a+b=-2
_______________-
-2b = 6
b = -3
a- (-3) = 4
a=1
Odp
b=-3
a=1