Toán Lớp 6: (50 – 6x) . 18 = 2^3 . 3^2 . 5
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Toán Lớp 6: (50 – 6x) . 18 = 2^3 . 3^2 . 5
Comments ( 2 )
(50-6x).18= 2³ .3² .5
⇒ (50-6x).18= 8.9.5
⇒ (50-6x).18=360
⇒ 50-6x = 360:18
⇒ 50-6x =20
⇒ 6x = 50-20
⇒6x =30
⇒ x =30:6
⇒x =5
Vậy x=5
(50 – 6x) × 18 = 2³ × 3² × 5
= 900-108x = 8×9×5
= 900 – 108x = 360
= -108x =360 – 900
= -108x = -540
x = 5