Toán Lớp 7: Tìm x : $3^{5}$ . x = $3^{12}$
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Toán Lớp 7: Tìm x : $3^{5}$ . x = $3^{12}$
Comments ( 2 )
x= $3^{12}$ : $3^{5}$
x= $3^{12-5}$
=>x= $3^{7}$