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第7頁

信息發(fā)布者:
?$ a^3b^6$?
$? 27x^3y^3?$
$ 4a^{4}$
$解:原式?=22×x2?$
$? =4x2?$
解:原式?$=(-2)2×x2$?
?$ =4x2$?
解:原式?$=33×x3×(y3)3$?
?$ =27x3y^9$?
解:原式?$= (-2)^4(a^2)^4×(b^4)^4×(c^4)^4$?
?$ = 16a^8b^{16}c^{16}$?
解:原式?$= a^3b^6×a^4c^4$?
?$ = a^{3+4}b^6c^4$?
?$ = a^7b^6c^4$?
解:原式?$= [x^6×(-x^3)]^2$?
?$ = (-x^9)^2$?
?$ = x^{18}$?
$解:原式?=(2×\frac 12)^{10} ?$
$? = 1^{10}?$
$? =1?$
解:原式?$=(0.125×8)^5×8^2$?
?$ =1^5×8^2$?
?$ =64$?
解:?$ (x2y)^{2n}=x^{4n}×y^{2n}=(x^n)^4×(y^n)^2=2^4×3^2=144$?
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