(5+根号6)(5倍根号2-2根号3)
1个回答
(5+根号6)(5倍根号2-2根号3)
=5×5√2-5×2√3+5√2×√6-√6×2√3
=25√2-10√3+5√12-2√18
=25√2-10√3+10√3-6√2
=19√2
相关问题
计算:(1)2倍根号3+3倍根号2-5倍3-3倍根号2(2)16-|2-根号5|-|根号5-根号7-|根号7-根号8|-
(根号2+根号3)²×(5-2倍根号6)
计算:(1) (4倍的根号6-3倍的根号2)÷2倍的根号2(2) (根号5+6)(3-根号5)(3) (根号x-2倍的根
(1)(根号12-3倍根号75)×根号3(2)3倍根号8(根号54-5倍根号2-2倍根号6)
根号24-根号15+2倍根号3分之2-根号3分之5倍根号3+6倍根号2
2倍根号2/3+根号1/6-1/5倍根号54
根号下(3加2倍根号2)的值 根号下(5加2倍根号6)加根号下(5减2倍根号6)的值
简便运算.(根号12-根号20)(根号15+5)=(根号2+根号3+根号5)(3倍根号2+2倍根号3-根号30)
(2倍根号3-3倍根号2-根号6)(2倍根号3+3倍根号2-根号6)
(2倍根号3+3倍根号2-根号6)*(2倍根号3-3倍根号2-根号6)