1 i 2/5: 12 i 3/7 - 3 i 1/3 *(4 i 2/11- 3 i 7/2) = ?
Jedno proste zadanko
1 i 2/5: 12 i 3/7 - 3 i 1/3 *(4 i 2/11- 3 i 7/2) = 7/5 : 87/7 - 7/2 * (46/11 - 13/2) = 7/5 * 7/87 - 7/2 * (92/22 - 143/22) = 49/435 - 7/2 * (-51/21) = 49/435 + 51/6 = 98/870 + 7395/870 = 7493/870 = 8 533/870
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1 i 2/5: 12 i 3/7 - 3 i 1/3 *(4 i 2/11- 3 i 7/2) = 7/5 : 87/7 - 7/2 * (46/11 - 13/2) = 7/5 * 7/87 - 7/2 * (92/22 - 143/22) = 49/435 - 7/2 * (-51/21) = 49/435 + 51/6 = 98/870 + 7395/870 = 7493/870 = 8 533/870