(5倍根号8-根号50)-(6倍根号1/2-根号9/2) 根号0.5+2倍根号2/3+根号24-根号0.125
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(5倍根号8-根号50)-(6倍根号1/2-根号9/2)
=(10倍根号2-5倍根号2)-(6倍根号1/2-3倍根号1/2)
=5倍根号2-3倍根号1/2
=5倍根号2-(3倍根号2)/2
=(10倍根号2-3倍根号2)/2
=(7倍根号2)/2
2
根号0.5+2倍根号2/3+根号24-根号0.125
=(根号2)/2+(2倍根号6)/3+2倍根号6-(根号2)/4
=(根号2)/4+(8倍根号6)/3(一四项结合,23项结合,通分化简)
=(根号2)/4+(8倍根号6)/3
第二题
是2倍根号(2/3)还是(2倍根号2)/3给哪个根号的,我时按第一个做的,
(5倍根号8-根号50)-(6倍根号1/2-根号9/2)
=(10倍根号2-5倍根号2)-(6倍根号1/2-3倍根号1/2)
=5倍根号2-3倍根号1/2
=5倍根号2-(3倍根号2)/2
=(10倍根号2-3倍根号2)/2
=(7倍根号2)/2
2
根号0.5+2倍根号2/3+根号24-根号0.125
=(根号2)/2+(2倍根号6)/3+2倍根号6-(根号2)/4
=(根号2)/4+(8倍根号6)/3(一四项结合,23项结合,通分化简)
=(根号2)/4+(8倍根号6)/3
第二题
是2倍根号(2/3)还是(2倍根号2)/3给哪个根号的,我时按第一个做的,
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