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(-ab)²=(-4a²)³=(y²z³)³=(2x+5y)²=(-2t-1)²=(1/3m-½)²=(1/5x+1/10y)²=(7ab+2)²=(-cd+½)²=
题目详情
( -ab)² = (-4a²)³=
(y²z³)³= (2x+5y)²= (-2t-1)²= (1/3m-½)²= (1/5x+1/10y)²= (7ab+2)²= (-cd+½)² =
(y²z³)³= (2x+5y)²= (-2t-1)²= (1/3m-½)²= (1/5x+1/10y)²= (7ab+2)²= (-cd+½)² =
▼优质解答
答案和解析
( -ab)² =a²b²
(-4a²)³=-64a^6
问题补充:
(y²z³)³=(y^6)(z^9)
(2x+5y)²=4x²+20xy+25y²
(-2t-1)²=4t²+4t+1
(1/3m-½)²=(1/9)m²-(1/3)m+(1/4)
(1/5x+1/10y)²= (1/25)x²+(1/100)xy+(1/100)y²
(7ab+2)²=49a²b²+28ab+4
(-cd+½)² =c²d²-cd+(1/4)
(-4a²)³=-64a^6
问题补充:
(y²z³)³=(y^6)(z^9)
(2x+5y)²=4x²+20xy+25y²
(-2t-1)²=4t²+4t+1
(1/3m-½)²=(1/9)m²-(1/3)m+(1/4)
(1/5x+1/10y)²= (1/25)x²+(1/100)xy+(1/100)y²
(7ab+2)²=49a²b²+28ab+4
(-cd+½)² =c²d²-cd+(1/4)
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