Suma dwóch liczb jest równa 220, a ich różnica 168.Jakie to liczby?
x+y=220/-y
x-y=168
x=220-y
220-y-y=168
220-2y=168/-220
-2y=-52/:(-2)
y=26
x=220-26
x=194
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x+y=220/-y
x-y=168
x=220-y
220-y-y=168
x=220-y
220-2y=168/-220
x=220-y
-2y=-52/:(-2)
x=220-y
y=26
x=220-26
y=26
x=194
y=26