b,4x=5y=2z và x+2y-z=39
c, x/5=y/7;y/14=z/3 và x+y+z=54
Mathematics, 19.09.2021 14:00 dianactorres
Tìm x, y,z
a,5x=7y và x-y=14
b,4x=5y=2z và x+2y-z=39
c, x/5=y/7;y/14=z/3 và x+y+z=54
d, x/y=7/20;y/z=5/8 và x-y+z=-15
e, x/3=y/4=z/5 và xyz=480
Answers: 1
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You know the right answer?
Tìm x, y,z
a,5x=7y và x-y=14
b,4x=5y=2z và x+2y-z=39
c, x/5=y/7;y/14=z/3 và x+y+z=54
b,4x=5y=2z và x+2y-z=39
c, x/5=y/7;y/14=z/3 và x+y+z=54
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