Question

Решить неравенство:
1,3x^2 - 2x < 0

Answer 1

X * ( 1.3X  - 2 ) < 0
X <  0
1.3X  < 2
X < ( 2 1 : 1310 )
X < ( 20 13 )
X < 1 713

Answer 2

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