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Stiind ca a x b = 8 si a x c =16 calculti 10xa x (b+c)


Răspuns :

10xax(b+c)=10xaxb+10xaxc=10x8+10x16=80+160=240
[tex] 10a(b+c)=10(8+16)=10*24=240 [/tex]