(根号32+根号0.5-2根号1/3)-(根号1/8-根号48)
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/09/20 02:01:48
(根号32+根号0.5-2根号1/3)-(根号1/8-根号48)
(根号32+根号0.5-2根号1/3)-(根号1/8-根号48)
={√32 + √0.5 - 2√(1/3)} - {√(1/8) - √48)}
= (√32+ 1/√2 - 2 /√3) - (1/√8- √48)
= (4√2+ √2/2 - 2 √3/3)- (√2/4- 4√3)
= 4√2+ √2/2 - 2 √3/3 - √2/4 + 4√3
= √2(4+ 1/2 - 1/4) + √3(-2 /3+ 4)
= 17√2/4 + 10√3/3
={√32 + √0.5 - 2√(1/3)} - {√(1/8) - √48)}
= (√32+ 1/√2 - 2 /√3) - (1/√8- √48)
= (4√2+ √2/2 - 2 √3/3)- (√2/4- 4√3)
= 4√2+ √2/2 - 2 √3/3 - √2/4 + 4√3
= √2(4+ 1/2 - 1/4) + √3(-2 /3+ 4)
= 17√2/4 + 10√3/3
(根号32+根号0.5-2根号1/3)-(根号1/8-根号48)
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