Question

3 supra 2 plus 4 supra 3 plus 5 supra 4 totul la a 2 ori 2 supra 4 minus 1 supra 4 minus 1 supra 6 minus 1 supra 12 este egal cu​

Answer 1

( 3 / 2 + 4 / 3 + 5 / 4 ) ^ 2 × 2 / 4 - 1 / 4 - 1 / 6 - 1 / 12 =

( 18 / 12 + 16 / 12 + 15 / 12 ) ^ 2 × 2 / 4 - 1 / 4 - 1 / 6 - 1 / 12 =

( 34 / 12 + 15 / 12 ) ^ 2 × 2 / 4 - 1 / 4 - 1 / 6 - 1 / 12 =

( 49 / 12 ) ^ 2 × 2 / 4 - 1 / 4 - 1 / 6 - 1 / 12 =

2401 / 144 × 2 / 4 - 1 / 4 - 1 / 6 - 1 / 12 =

4802 / 576 - 1 / 4 - 1 / 6 - 1 / 12 =

4802 / 576 - 144 / 576 - 96 / 576 - 48 / 576 =

4658 / 576 - 96 / 576 - 48 / 576 =

4562 / 576 - 48 / 576 = 4514 / 576