Question

вычислите 21-4/13,45-23/43,99-43/45

Answer 1

21 - 4/13 = 273/13-4/13=269/13= 20  9/13
45 - 23/43=1935/43-23/43=1912/43=44 20/43
99 - 43/45=4455/45-43/45=4412/45=98 2/45