(13 2///3*2 1///7-12 2///3*2 1///7): 1 1///14*3 1///3+1///3=?

Question

(13 2///3*2 1///7-12 2///3*2 1///7): 1 1///14*3 1///3+1///3=? ///-это дробь типо 13 2///3=13 2 3

Ikrojiuk · Accepted Answer

(13 2/3*2 1/7-12 2/3*2 1/7): 1 1/14*3 1/3+1/3=(41/3*15/7-38/3): 15/14*10/3+1/3=(615/21-38/3): 15/14*10/3+1/3=(205/7-38/3): 15/14*10/3+1/3=349/21:15/14*10/3+1/3=48860/945+1/3=49175/945=9835/189=52 7/189

(13 2///32 1///7-12 2///32 1///7): 1 1///14*3 1///3+1///3=?

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