Question

[Lê Ngọc Hân]

Bài 2. Tìm Y
a) Y x 8,7 – 2,02 = 264,2 b) Y x 6,9 + 8,1 x Y = 187,5
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c) 42,55 : ( Y + 1,5 ) = 2,3 d) 10,6 x ( Y – 7,94 ) = 12,72 ...........................................................................................................................
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