九上数学计算题 √8a³-2a²√1/8a+3√2a³ (√6-√3/2﹚-﹙√24+2√2/3﹚咋写(1)√8a³-2a²√1/8a+3√2a³(2 )(√6-√3/2﹚-﹙√24+2√2/3﹚
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![九上数学计算题 √8a³-2a²√1/8a+3√2a³ (√6-√3/2﹚-﹙√24+2√2/3﹚咋写(1)√8a³-2a²√1/8a+3√2a³(2 )(√6-√3/2﹚-﹙√24+2√2/3﹚](/uploads/image/z/620394-42-4.jpg?t=%E4%B9%9D%E4%B8%8A%E6%95%B0%E5%AD%A6%E8%AE%A1%E7%AE%97%E9%A2%98+%E2%88%9A8a%26%23179%3B%EF%BC%8D2a%26%23178%3B%E2%88%9A1%EF%BC%8F8a%EF%BC%8B3%E2%88%9A2a%26%23179%3B+%28%E2%88%9A6%EF%BC%8D%E2%88%9A3%EF%BC%8F2%EF%B9%9A%EF%BC%8D%EF%B9%99%E2%88%9A24%EF%BC%8B2%E2%88%9A2%EF%BC%8F3%EF%B9%9A%E5%92%8B%E5%86%99%281%29%E2%88%9A8a%26%23179%3B%EF%BC%8D2a%26%23178%3B%E2%88%9A1%EF%BC%8F8a%EF%BC%8B3%E2%88%9A2a%26%23179%3B%282+%29%28%E2%88%9A6%EF%BC%8D%E2%88%9A3%EF%BC%8F2%EF%B9%9A%EF%BC%8D%EF%B9%99%E2%88%9A24%EF%BC%8B2%E2%88%9A2%EF%BC%8F3%EF%B9%9A)
九上数学计算题 √8a³-2a²√1/8a+3√2a³ (√6-√3/2﹚-﹙√24+2√2/3﹚咋写(1)√8a³-2a²√1/8a+3√2a³(2 )(√6-√3/2﹚-﹙√24+2√2/3﹚
九上数学计算题 √8a³-2a²√1/8a+3√2a³ (√6-√3/2﹚-﹙√24+2√2/3﹚咋写
(1)√8a³-2a²√1/8a+3√2a³
(2 )(√6-√3/2﹚-﹙√24+2√2/3﹚九上数学计算题 √8a³-2a²√1/8a+3√2a³ (√6-√3/2﹚-﹙√24+2√2/3﹚咋写(1)√8a³-2a²√1/8a+3√2a³(2 )(√6-√3/2﹚-﹙√24+2√2/3﹚
√8a³-2a²√1/8a+3√2a³
=2a√2a-1/2√2a+3a√2a
=9/2a√2a
(√6-√3/2﹚-﹙√24+2√2/3﹚
=√6-1/2√6-2√6-2/3√6
=(1-1/2-2-2/3)√6
=-13/6√6√(8a³)-2a²√(1/8a)+3√(2a³) (a>0)
=2a√(2a)-a√(4a²/8a)+3a√(2a)
=2a√(2a)-a√(a/2)+3a√(2a)
=2a√(2a)-a/2√(2a)+3a√(2a)
=(2a-a/2+3a)√(2a)
=9a/2*√(2a)
[√6-√(3/2)]-[√2...全部展开
√(8a³)-2a²√(1/8a)+3√(2a³) (a>0)
=2a√(2a)-a√(4a²/8a)+3a√(2a)
=2a√(2a)-a√(a/2)+3a√(2a)
=2a√(2a)-a/2√(2a)+3a√(2a)
=(2a-a/2+3a)√(2a)
=9a/2*√(2a)
[√6-√(3/2)]-[√24+2√(2/3)]
=[√6-1/2*√6]-[2√6+2/3*√6]
=1/2*√6-[8/3*√6]
=1/2*√6-8/3*√6
=3/6*√6-16/6*√6
=-13/6*√6收起
√8a³-2a²√1/8a+3√2a³
=2a√2a-1/2√2a+3a√2a
=9/2a√2a
(√6-√3/2﹚-﹙√24+2√2/3﹚
=√6-1/2√6-2√6-2/3√6
=(1-1/2-2-2/3)√6
=-13/6更号6