Question

show that (-2/5+4/9)+(-3/4=-2/5+(4/9+(-3/4​

Answer 1

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Answer 2

Answer:

(-a+b)+(-c)not equals to a+(b+(-c))

=>(-2/5+4/9) +-3/4=2/5+(4/9+ -3/4)

=>(-2)×9+4×5)/45 + -3/4=2/5+(4×4+(-3)×9)/36

=>-18+20/45+ -3/4=2/5+16-27/36

=>-2/45+-3/4=2/5+-11/36

=>-8-135/180=72-55/180

A.T.P,

=>-143=17

=>"-143" is not equals to "17"

=>-143 is not equals to 17

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