faithjones22 faithjones22

20-02-2020
Mathematics

contestada

15 unknown 11 unknown 3 unknown = 7 find the sign

Respuesta :

animalsarecute animalsarecute

20-02-2020

I tested different options and I got:

15 - 11 + 3.

If they all have to be the same sign, that's impossible

Addition doesn't work.

Subtraction doesn't work.

Division doesn't work

Multiplying doesn't work

Exponents don't work.

So I'm assuming they have to be different signs.

Answer Link

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