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бабочка098
@бабочка098
April 2022
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решите с праверкой 3.5x-2.3x+3.8 равно 4.28
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Vikyvikk
Verified answer
3,5х-2,3х+3,8=4,28
1,2х=4,28-3,8
1,2х=0,48
Х=0,48:1,2
Х=0,4
Если х=0,4,то
3,5•0,4-2,3•0,4+3,8=4,28
1,4-0,92+3,8=4,28
5,2-0,92=4,28
4,28=4,28
все правильно
1 votes
Thanks 3
Aouhina
Verified answer
3.5x-2.3x+3.8=4.28
3.5х-2.3х=4.28-3.8
1.2х=0.48
х=0.4
3.5*0.4-2.3*0.4+3.8=4.28
0 votes
Thanks 0
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Answers & Comments
Verified answer
3,5х-2,3х+3,8=4,281,2х=4,28-3,8
1,2х=0,48
Х=0,48:1,2
Х=0,4
Если х=0,4,то
3,5•0,4-2,3•0,4+3,8=4,28
1,4-0,92+3,8=4,28
5,2-0,92=4,28
4,28=4,28
все правильно
Verified answer
3.5x-2.3x+3.8=4.283.5х-2.3х=4.28-3.8
1.2х=0.48
х=0.4
3.5*0.4-2.3*0.4+3.8=4.28