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\(8.8.8.4.2\)
\(=8\cdot8\cdot8\cdot8\)
\(=8^4\)
\(5.5.5.7.7.7.7\)
\(=5^37^4\)
\(8.2.2.2.2.2.2\)
\(=2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\)
\(=2^9\)
8.8.8.4.2=8.8.8.8=84
5.5.5.7.7.7.7=53.73
8.2.2.2.2.2.2=23.26=29
\(8.8.8.4.2=8^3.4.2\)
\(5.5.5.7.7.7.7=5^3.7^4\)
\(8.2.2.2.2.2.2=8.2^6\)
Học tốt #
câu 1
8.8.8.4.2=8^4
5.5.5.7.7.7.7=5^3.7^4
8.2.2.2.2.2.2=8^3
8 . 8 . 8 . 4 . 2 = 8 . 8 . 8 . 8 = 84
5 . 5 . 5 . 7 . 7 . 7 . 7 = 53 . 74
8 . 2 . 2 . 2 . 2 . 2 . 2 = 23 . 26 = 29
8 . 8 . 8 . 4 . 2
= 8 . 8. 8 . 8
= 84
5 . 5.5.7.7.7.7
= 53 . 74
8.2.2.2.2.2.2
= 8 . ( 2.2.2 ) . ( 2.2.2 )
= 8 . 8 . 8
= 83
8.8.8.4.2
=23.23.23.22.2
=212
5.5.5.7.7.7.7
=53.74
8.2.2.2.2.2.2
=23.2.2.2.2.2.2
=29
+) \(8\text{}\times8\text{}\times8\text{}\times4\text{}\times2=8\text{}\times8\text{}\times8\text{}\times8=8^4\)
+) \(5\text{}\times5\text{}\times5\text{}\times7\text{}\times7\text{}\times7\text{}\times7=5^3\text{}\times7^4\)
+) \(8\text{}\times2\text{}\times2\text{}\times2\text{}\times\text{}2\text{}\times2\text{}\times2=2^3\text{}\times2^6=2^{3+6}=2^9\)
_Chúc bạn học tốt_
