(189)dopotęgi8 : 189dopotegi7=? (-6)dopotegi13 x 1/6do11=?
189^8 : 189^7 = 189^(8 - 7) = 189^1 = 189
(-6)^13 x (1/6)^11 = (-1)^13 * 6^13 x 6^(-11) = (-1) x 6^(13 - 11) = (-1) x 6^2 = - 36
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189^8 : 189^7 = 189^(8 - 7) = 189^1 = 189
(-6)^13 x (1/6)^11 = (-1)^13 * 6^13 x 6^(-11) = (-1) x 6^(13 - 11) = (-1) x 6^2 = - 36