6: (1/2+1/2) 12: (1/2+1/2+1/2+1/2). (1/5+1/5+1/5)•1/3. - вопрос №72272736121212121212121515151327272727218 от aaalex02 11.02.2020 04:28

Question

Математика: 6: (1/2+1/2) 12: (1/2+1/2+1/2+1/2). (1/5+1/5+1/5)•1/3. (2/7+2/7+2/7+2/7)•21/8

aaalex02 · Answer

6 / (1/2 + 1/2) = 6/1 = 612 / (1/2 + 1/2 + 1/2 + 1/2) = 12/2 = 6(1/5 + 1/5 + 1/5) • 1/3 = 3/5 * 1/3 = 3/15 = 1/3(2/7 + 2/7 + 2/7 + 2/7) • 21/8 = 8/7 * 21/8 = 168/56 = 3 ...