👤

va roog frumos!!!!!!!!!!!!!!!!!
cu desen grafic

1. x+y=300
x-y=24
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x=?;y=?

2. a+b=392
b-a=397:7
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a=?;b=?

3. a+b+c=245
b=a+23
b=c-16
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a=?; b=?; c=?

vaaa rrroooggg muuuult!!! dau coroana