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marisha341
@marisha341
August 2022
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решите уравнения: а)х+3х+5=17 б)3,5х+2,2х=4.56 в)3,2у-2,7у=0,6 г)3,7z-z=0,54
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СардеСправедливости
а) х+3х+5=17
х+3х = 17-5
4х = 12
х = 3
б)
3,5х+2,2х=4.56
5.7х = 4,56
х = о,8
в) 3,2у - 2,7у = 0,6
0,5у = 0,6
у = 1,2
г) 3,7з - з = 0,54
2,7з = 0,54
з = 0,2
3 votes
Thanks 4
selmash21
А)
4х=17-5
4х=12
х=12÷4
х=3
б)
5.7х=4.56
х=4.56÷5.7
х=0.8
в)
0.5у=0.6
у=0.6÷0.5
у=1.2
г)
2.7z=0.54
z=0.54÷2.7
z=0.2
2 votes
Thanks 3
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Answers & Comments
х+3х = 17-5
4х = 12
х = 3
б) 3,5х+2,2х=4.56
5.7х = 4,56
х = о,8
в) 3,2у - 2,7у = 0,6
0,5у = 0,6
у = 1,2
г) 3,7з - з = 0,54
2,7з = 0,54
з = 0,2
4х=17-5
4х=12
х=12÷4
х=3
б)
5.7х=4.56
х=4.56÷5.7
х=0.8
в)
0.5у=0.6
у=0.6÷0.5
у=1.2
г)
2.7z=0.54
z=0.54÷2.7
z=0.2