Вычислите 1 2/3+3 3/4= 4 3/5-1/45= 3 1/2*1 1/7= - вопрос №5649150123334435145312117116213 от зузу10 06.01.2020 01:54

Question

Математика: Вычислите 1 2/3+3 3/4= 4 3/5-1/45= 3 1/2*1 1/7= 1 1/6: 2 1/3=

зузу10 · Answer

4/7 + 1/2 = 8/14 + 7/14 = 15/14 = 1 1/14
5/12 + 3/4 = 5/12 + 9/12 = 14/12 = 1 2/12 = 1 1/6
1/2 + 2/3 + 5/6 = 3/6 + 4/6 + 5/6 = 12/6 = 2
3/8 + 3/10 = 15/40 + 12/40 = 27/40
3/50 + 2/40 = 12/200 + 10/200 = 22/200 = 11/100 = 0,11
1/30 + 2/45 = 3/90 + 4/90 = 7/90