Question

Номер 514 А)1/9-1/81 Б)19/20-3/4
В)11/15-2/5. Г)13/16-3/4

Answer 1

а) 981 - 181 = 881
б) 1920 - 1520 = 420 = 15
в) 1115 - 615 = 515 = 13
г) 1316 - 1216 = 116

Answer 2

А) 1/9*9-1/81= 9/81-1/81=8/81;б)19/20-3/4=19/20-3/4*5=19/20-15/20=4/20;в)13/16-3/4=13/16-3/4*4=13/16-12/16=1/16