4道化简题@!3分之根号42+根号5分之9-根号20分之8(8不是根号)2√2/3 -√1/6 +1/6√54√18-√
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:2024/09/20 19:43:27
4道化简题@!
3分之根号42+根号5分之9-根号20分之8(8不是根号)
2√2/3 -√1/6 +1/6√54
√18-√12 / 3√2+2√3
√32+√12+√8/√32-√12-√8
3分之根号42+根号5分之9-根号20分之8(8不是根号)
2√2/3 -√1/6 +1/6√54
√18-√12 / 3√2+2√3
√32+√12+√8/√32-√12-√8
(42^0.5)/3+(9/5)^0.5-8/(20^0.5)
=(42^0.5)/3+3/(5^0.5)-8/(2*5^0.5)
=(42^0.5)/3+3/(5^0.5)-4/(5^0.5)
=(42^0.5)/3+(3-4)/(5^0.5)
=(42^0.5)/3-(5^0.5)
=(42^0.5-3*5^0.5)/3
2√(2/3)-√(1/6)+1/(6√54)
=(2√2)/√3-(1/√6)+1/(6√54)
=(2*2)/√6-(1/√6)+1/(6√54)
=(3/√6)+1/(6√(6*9)
=(3/√6)+1/(18√6)
=(54+1)/(18√6)
=55/(18√6)
√18-√12/(3√2)+2√3
=3√2-(2√3)/(3√2)+2√3
=3√2-(√2/√3)+2√3
=(3√6-√2+2*3)/√3
=(3√6-√2+6)/√3
=(3*3√2-√2*√3+6√3)/3
=(9√2+(6-√2)*√3)/3
√32+√12+√8/(√32)-√12-√8
=2√8+√8/(2√8)-√8
=√8+1/2
=2√2+1/2
=(4√2+1)/2
=(42^0.5)/3+3/(5^0.5)-8/(2*5^0.5)
=(42^0.5)/3+3/(5^0.5)-4/(5^0.5)
=(42^0.5)/3+(3-4)/(5^0.5)
=(42^0.5)/3-(5^0.5)
=(42^0.5-3*5^0.5)/3
2√(2/3)-√(1/6)+1/(6√54)
=(2√2)/√3-(1/√6)+1/(6√54)
=(2*2)/√6-(1/√6)+1/(6√54)
=(3/√6)+1/(6√(6*9)
=(3/√6)+1/(18√6)
=(54+1)/(18√6)
=55/(18√6)
√18-√12/(3√2)+2√3
=3√2-(2√3)/(3√2)+2√3
=3√2-(√2/√3)+2√3
=(3√6-√2+2*3)/√3
=(3√6-√2+6)/√3
=(3*3√2-√2*√3+6√3)/3
=(9√2+(6-√2)*√3)/3
√32+√12+√8/(√32)-√12-√8
=2√8+√8/(2√8)-√8
=√8+1/2
=2√2+1/2
=(4√2+1)/2
化简 根号8+根号18 2根号12+根号48 3根号20-根号45-根号5分之1 根号9分之2+根号50-根号32
(2-根号10)2次方+根号40 根号2分之根号8x根号10 根号45分之根号20+根号5-根号3分之1x根号6
计算:根号2分之根号32-根号8;根号27-根号3分之1+根号12;2分之1根号2×3根号3×根号6
根号2-1分之1+根号3(根号3-根号6)+根号8
1(根号27-2根号18)除以根号6 (2)根号32-5根号2分之1+6根号8分之1 (3)(根号3分之4-2根号3)x
根号18-根号2分之9-根号3分之根号3+根号6+(根号3-2)º+根号1-根号2的2次方
根号12-根号0.5-2根号3分之1-根号8分之1+根号18
(1)6倍根号14/8倍根号18 (2)-根号7/3倍根号15分之14*2分之3倍根号2分之5
根号12-根号18-根号0.5+根号3分之1=?(根号72+2+根号3分之根号2)X 根号3-7倍根号6=?
根号8分之3 - (-3分之4根号2分之27+3根号6分之1)
(根号24-根号0.5-2根号3分之2)-(根号8分之1-根号6)
根号(1-根号3)的平方+根号9分之4-根号6÷根号2