buancasorondo2020 buancasorondo2020

21-04-2020
Mathematics

contestada

1) a. -4 - 9=_+_=__
1) b. 10 - 7 - 4=_+_+_=_+__=

Respuesta :

upendradubey2011 upendradubey2011

21-04-2020

Answer:

a. -4 - 9 = (-4)+(-9) = -13

b. 10 - 7- 4 = 10 + (-7) + (-4) = 10 +(-11) = -1

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