verify that:
(7/3+-1/4)+-8/7=7/3+(-1/4+-8/7)
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(7/3+(-1/4))+(-8/7)=7/3+((-1/4)+(-8/7)).
(7/3-1/4)-8/7=7/3-(1/4-8/7). (Because +×-=-).
(28-3/12)-8/7=7/3-(7-32/28). (Because LCM of 3 & 4 is 12 & LCM of 4 & 7 is 28).
(25/12)-8/7=7/3-(-25/28). (Because +×-=- & largest number is important).
25/12-8/7=7/3+25/28. (Because -×-=+).
175-96/84=196+75/84. (Because LCM of 12 & 7 is 84 & LCM of 3 & 28 is 84).
79/84=271/84. (Because +×-=- & largest number is important).
I think no.
I think this is your answer.
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