Toán Lớp 5: Câu 2: Tìm x:
a) 1200 : 24 – ( 17 – x) = 36
b) 9 × ( x + 5 ) = 729
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Toán Lớp 5: Câu 2: Tìm x:
a) 1200 : 24 – ( 17 – x) = 36
b) 9 × ( x + 5 ) = 729
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