4Б) x:3.2//9=8//93
x=8//93*3.2//9
x=232//837
7Б) |r|-7.1//3||=4.3
r*7.1//3=4.3
r=4.3:7.1//3
r=129//220
6) |2-y|:(-2//5)=1.13//32
2-y=1.13//32*(-2//5)
2-y=-9//16
y=2-(-9//16)
y=2.9//16
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Answers & Comments
4Б) x:3.2//9=8//93
x=8//93*3.2//9
x=232//837
7Б) |r|-7.1//3||=4.3
r*7.1//3=4.3
r=4.3:7.1//3
r=129//220
6) |2-y|:(-2//5)=1.13//32
2-y=1.13//32*(-2//5)
2-y=-9//16
y=2-(-9//16)
y=2.9//16