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Ajutor urgent dau coroana la 5

Ajutor Urgent Dau Coroana La 5 class=

Răspuns :

x /---/+868     Total 1000

y /---/
1000-868=132:2=66
x=66+868=934
y=66

2x=934*2=1868
3y=66*3=198

1868-198=1670

x+y=1000
x-y=868
--------------------
2x=1868
x=934
y=66

2x-3y=1868-198=1670