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(a + 8)b = 24 + 64 = 88
ab = 24
ab + 8b = 88
24 + 8b = 88
8b = 64
b = 8
a = 3
b = 24cm² / a
(a+8) * b - a * b = 64cm²
(a+8cm) * 24cm² / a = 64cm² + 24cm²
24(a + 8cm) / a = 88
24a + 192cm = 88a
88a - 24a = 192cm
64a = 192cm
a = 3cm
b = 24cm² / 3cm = 8cm
Odp: Boki wynoszą 3cm i 8cm.