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fenies
@fenies
July 2022
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решите уравнение с дробями 1\2-3\4*(х-3\10)=3\8. пожалуйста
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Викторияяяя
1/2-3/4x+9/40=3/8
3/4x=1/2+9/40-3/8
3/4x=7/20
x=7/20:3/4
x=7/15
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fenies
а почему 9/40?
Викторияяяя
-3/4*(-3/10)
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3/4x=1/2+9/40-3/8
3/4x=7/20
x=7/20:3/4
x=7/15