Toán Lớp 5: Tìm X : X + 40 – 100 ÷ 20 × 60 = 2820
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Toán Lớp 5: Tìm X : X + 40 – 100 ÷ 20 × 60 = 2820
Comments ( 2 )
$⇔x+40-300=2820$
$⇔x-260=2820$
$⇔x=3080$
Vậy S={3080}