А) 1/4 + 0.7 - 1/5 == 0.25 + 0.7 - 0.2 == 0.95 - 0.2 == 0.75
Б) 0.8 - 0.3 - 2/5 == 0.8 - 0.3 - 0.4 == 0.5 - 0.4 == 0.1
А) 1/4 + 0.7 - 1/5 =
= 0.25 + 0.7 - 0.2 =
= 0.95 - 0.2 =
= 0.75
Б) 0.8 - 0.3 - 2/5 =
= 0.8 - 0.3 - 0.4 =
= 0.5 - 0.4 =
= 0.1