hbjr74 hbjr74
  • 13-09-2018
  • Mathematics
contestada

Which equations show you how to find 16-9?

Which equations show you how to find 169 class=

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robbzzz robbzzz
  • 13-09-2018
i think it might be B
because from 9+1 = 10 we can change to 9=10-1
and 10+6=16 no need to change
then we solve the problem with the equation
16 - 9
10+6 - (10-1)
10+6-10+1
7
thats the answer




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