根号化简计算(1)√0.64*5√9/25÷1/4√25(2)(√48-4√1/8)-(3√1/3-2√0.5)(3)(
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/11 08:57:27
根号化简计算
(1)√0.64*5√9/25÷1/4√25
(2)(√48-4√1/8)-(3√1/3-2√0.5)
(3)(5√48+√12-6√7)÷√3
(4)√1.9平方-1.1平方*√1.6平方-1.4平方
(1)√0.64*5√9/25÷1/4√25
(2)(√48-4√1/8)-(3√1/3-2√0.5)
(3)(5√48+√12-6√7)÷√3
(4)√1.9平方-1.1平方*√1.6平方-1.4平方
(1)√0.64*5√9/25÷1/4√25
=0.8*5*(3/5)÷(5/4)
=4*(3/5)*(4/5)
=48/25
(2)(√48-4√1/8)-(3√1/3-2√0.5)
=4√3-√2-√3+√2
=3√3
(3)(5√48+√12-6√7)÷√3
=5√16+√4-2√21
=20+2-2√21
=22-2√21
(4)√1.9平方-1.1平方*√1.6平方-1.4平方
=√[(1.9+1.1)(1.9-1.1)]*√[(1.6+1.4)(1.6-1.4)]
=√(3*0.8)*√(3*0.2)
=√(3²*0.16)
=3*0.4
=1.2
=0.8*5*(3/5)÷(5/4)
=4*(3/5)*(4/5)
=48/25
(2)(√48-4√1/8)-(3√1/3-2√0.5)
=4√3-√2-√3+√2
=3√3
(3)(5√48+√12-6√7)÷√3
=5√16+√4-2√21
=20+2-2√21
=22-2√21
(4)√1.9平方-1.1平方*√1.6平方-1.4平方
=√[(1.9+1.1)(1.9-1.1)]*√[(1.6+1.4)(1.6-1.4)]
=√(3*0.8)*√(3*0.2)
=√(3²*0.16)
=3*0.4
=1.2
计算:1.根号48-根号27--2根号1/8+根号75 2.(3倍的根号0.5+4倍的根号1.5)-(1/2根号0.24
计算:(1)根号32-根号50-4根号1\8 (2)根号48-根号3\根号3-(1-根号3)^0
计算(根号12-根号1/2+2根号1/3)-(根号1/8-根号18)
根号48÷根号3-根号1/2×根号12+(根号3+根号2)²、计算
计算:(2根号2/3-根号6+根号0.5)-(根号24+根号1/8-根号50)
计算:根号2(根号8-根号50+根号18)和1/3根号0.36+1/5根号900
(根号1+根号2+根号3+根号4+根号5+根号6+根号7+根号8+根号9+根号10)÷2
计算,与解方程,1,2根号12 -9根号1/27 +3根号48 2,(3/4根号5 -根号12)÷根号3/2 计算1,9
(1/根号2+1+1/根号3+根号2+1/根号4+根号3+…+1/根号2012+根号2011)(根号2012+1),计算
(根号2-1)^0-3次根号-8*根号16+0.25^10*4^4计算
计算:(3)3/2根号2+根号1/2+根号8-根号3+根号12-根号18
计算:1:(根号80+根号40)÷根号5 2:(2根号3-3根号6)的平方