Toán Lớp 5: Tìm x, biết: (x – 42,08) ∶ 10 = 25 ?
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Toán Lớp 5: Tìm x, biết: (x – 42,08) ∶ 10 = 25 ?
Comments ( 2 )
⇒ $ ( x – 42,08 ) = 25 × 10 $
⇒ $ ( x – 42,08 ) = 250 $
⇒ $ x = 250 + 42,08 $
⇒ $ x = 292,08 $
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