Toán Lớp 5: Tìm y biết:
a. y : 0,25 x 11 x y = 48
b. y x 9,01 – y : 100 = 0,99
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Toán Lớp 5: Tìm y biết:
a. y : 0,25 x 11 x y = 48
b. y x 9,01 – y : 100 = 0,99
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