
初一数学填空题!!!
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(11)2a^4bc^2 , -a^4bc^2
(12)a
(13)-x+y-z
(14)-3/4xy²
(15)2a-7
(16)-x³-5x²y²+2y³-1
(17)幂 a^n a n
(18)同底数幂相乘,底数不变,指数相加
(19)x^10
(20)2a-7 0
(21)3^12
(22)400
(23)3a^4b^4-2a^6b^6 x^12
(12)a
(13)-x+y-z
(14)-3/4xy²
(15)2a-7
(16)-x³-5x²y²+2y³-1
(17)幂 a^n a n
(18)同底数幂相乘,底数不变,指数相加
(19)x^10
(20)2a-7 0
(21)3^12
(22)400
(23)3a^4b^4-2a^6b^6 x^12
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