а) 4 • 25 • х = 800100x = 800x = 800 / 100x = 8
б) у • 5 • 20 = 500100y = 500y = 500 / 100y = 5
в) 21 • 8 • р = 168168p = 168p = 168 / 168p = 1
г) т • 3 • 33 = 99099t = 990t = 990 / 99t = 10.
а) 4 • 25 • х = 800
100x = 800
x = 800 / 100
x = 8
б) у • 5 • 20 = 500
100y = 500
y = 500 / 100
y = 5
в) 21 • 8 • р = 168
168p = 168
p = 168 / 168
p = 1
г) т • 3 • 33 = 990
99t = 990
t = 990 / 99
t = 10.