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﹚
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...
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√(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