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H in (-oo:+oo)
H/3 = 3.4 // - 3.4
H/3-3.4 = 0
1/3*H-3.4 = 0 // + 3.4
1/3*H = 3.4 // : 1/3
H = 3.4/1/3
H = 10.2000001
H = 10.2000001
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