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Metoda inversa (a×10+16):6=56+5×2

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Dianabaitanup58csf
(ax10+16):6=66
(ax10+16)=66x6
(ax10+16)=396
ax10=396-16
ax10=380
a=380:10
a=38
(a×10+16):6=56+5×2
(a×10+16):6=56+10
(a×10+16):6=66     |×6
a×10+16=396   |-16
a×10=380
a=380:10
a=38