6 5/11 - 4 9/11 = 2 5/11 - 9/11 = 1 + (11/11 + 5/11 - 9/11) = 1 7/11
2) y + 195 = 300 3) 920 - z = 587
y = 300 - 195 z = 920 - 587
y = 105 z = 333
5) 11y = 187 8) 324 : у = 36
y = 187 : 11 у = 324 : 36
y = 17 у = 9
Ответ:
5.6 56 88 09 24 и 56 или 65 и 87 90 45 65 30
44 - z=27
z=44-27
z=17
________________________________
44-17=27
27=27