kazah
válasza
1, `6^(-3)` = `1/6^3` = `1/216`
2, `(-4)^(-3)` = `1/(-4)^3` = `1/(-64)` = `-1/64`
3, `(-3/2)^(-1)` = `1/(-3/2)` = `-2/3`
4, `(-2/5)^(-4)` = `1/(-2/5)^4` = `(-5/2)^4` = `5^4/2^4` = `625/16`
5, `(-2 1/3)^(-2)` = `(-7/3)^(-2)` = `1/(-7/3)^2` = `(-3/7)^2` = `9/49`
6, `("1,1")^(-2)` = `(11/10)^(-2)` = `1/(11/10)^2` = `(10/11)^2` = `100/121`
7, `(3/5)^(-2) +(-1.8)^0 - 5^(-1)`= `1/(3/5)^2+1-1/5` = `(5/3)^2+1-1/5` = `25/9+1-1/5` = `125/45+45/45-9/45` = `161/45`
8, `2^(-3)-6^(-1)+3^(-2)` = `1/2^3-1/6+1/3^2` = `1/8-1/6+1/9` = `9/72-12/72+8/72` = `5/72`
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