Toán Lớp 6: 2^2 x 2^9 : 2^7 ằng bao nhiêu ?
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Toán Lớp 6: 2^2 x 2^9 : 2^7 ằng bao nhiêu ?
Comments ( 2 )
2^2 x 2^9 : 2^7
= 2^( 2+9-7)
Đây nha bạn
