elovekeke elovekeke

14-10-2014
Mathematics

contestada

How can you write 72+ (8+19) to make easier to add?

Respuesta :

14-10-2014

you just change 8 and 19 which is 27 then just ad 72 + 27

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mariamikayla mariamikayla

14-10-2014

[tex]72+(8+19)= \\\\ =70+2+8+10+9= \\\\ =80+10+9= \\\\ =90+9= \\\\=\boxed{99}[/tex]

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