[toán 6] tính

R

rutifuentoran

toán 6

D=(11.3^22.3^7-9^15): ( 2.3^14)
=(11.3^29-3^30) : (2.3^14)
=[3^29(11-3) : (2.3^14]
=(3^29.8) : (2.3^14)
=(3^29:3^14) : (8:2)
=3^15:4
 
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