Ответы на вопрос:
1) x = 4.5 / 3
x = 1.5
2) y/5 = 1.4
y = 7
3) z = 6 1/2- 5 1/3
z = 1 1/6
4)t = 3/2 - 5/6
t = 2/3
5) 3u = 5
u = 1 2/3
6) 2v = 1
v = 0.5
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