Вычислите 1) 3/5+5/9, 2) 13/24-7/16, 3) 1 4/15+3 - вопрос №969567513559213247163141537254817216714 от bekker222 27.12.2020 22:46

Question

Математика: Вычислите 1) 3/5+5/9, 2) 13/24-7/16, 3) 1 4/15+3 7/25 4) 8 17/21-6 7/14

bekker222 · Answer

3/5+5/9=27/45+25/45=52/45=1 7/4513/24-7/16=208/384-168/384=40/3841 4/15+3 7/25=19/15+82/25=285/225+2050/225=2278/225=10 28/2258 17/21-6 7/14=185/21-91/14=2590/294-1911/294=679/294=2 91/294...