Toán Lớp 4: Tìm y, biết: 189 ∶ y + 54 ∶ y = 9
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Toán Lớp 4: Tìm y, biết: 189 ∶ y + 54 ∶ y = 9
Comments ( 2 )
243 : y = 9
y = 243:9
y = 27
Vậy x=27