根号的乘除运算1)√6×√151)√6×√15(2)1/4√12a×3√3a(3)3√xy×1/3√1/x(4)√24×√4.5(5)√0.4×√3.6(6)√2/3×√27/8(7)5√45×3/2√2(7/2)[2(7/2)就是二又二分之七](8)√2/3÷√3¼(9)9√1/45÷3/2√2(3/2)(10)2√18
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 11:26:00
![根号的乘除运算1)√6×√151)√6×√15(2)1/4√12a×3√3a(3)3√xy×1/3√1/x(4)√24×√4.5(5)√0.4×√3.6(6)√2/3×√27/8(7)5√45×3/2√2(7/2)[2(7/2)就是二又二分之七](8)√2/3÷√3¼(9)9√1/45÷3/2√2(3/2)(10)2√18](/uploads/image/z/2722737-57-7.jpg?t=%E6%A0%B9%E5%8F%B7%E7%9A%84%E4%B9%98%E9%99%A4%E8%BF%90%E7%AE%971%29%E2%88%9A6%C3%97%E2%88%9A151%29%E2%88%9A6%C3%97%E2%88%9A15%282%291%2F4%E2%88%9A12a%C3%973%E2%88%9A3a%283%293%E2%88%9Axy%C3%971%2F3%E2%88%9A1%2Fx%284%29%E2%88%9A24%C3%97%E2%88%9A4.5%285%29%E2%88%9A0.4%C3%97%E2%88%9A3.6%286%29%E2%88%9A2%2F3%C3%97%E2%88%9A27%2F8%287%295%E2%88%9A45%C3%973%2F2%E2%88%9A2%287%2F2%29%5B2%287%2F2%29%E5%B0%B1%E6%98%AF%E4%BA%8C%E5%8F%88%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%83%5D%288%29%E2%88%9A2%2F3%C3%B7%E2%88%9A3%26%23188%3B%289%299%E2%88%9A1%2F45%C3%B73%2F2%E2%88%9A2%283%2F2%29%2810%292%E2%88%9A18)
根号的乘除运算1)√6×√151)√6×√15(2)1/4√12a×3√3a(3)3√xy×1/3√1/x(4)√24×√4.5(5)√0.4×√3.6(6)√2/3×√27/8(7)5√45×3/2√2(7/2)[2(7/2)就是二又二分之七](8)√2/3÷√3¼(9)9√1/45÷3/2√2(3/2)(10)2√18
根号的乘除运算1)√6×√15
1)√6×√15
(2)1/4√12a×3√3a
(3)3√xy×1/3√1/x
(4)√24×√4.5
(5)√0.4×√3.6
(6)√2/3×√27/8
(7)5√45×3/2√2(7/2)[2(7/2)就是二又二分之七]
(8)√2/3÷√3¼
(9)9√1/45÷3/2√2(3/2)
(10)2√18×√3/4÷5√2
(11)2√105÷√21×(-2√5)
(12)3√12×(-2√10)×(-5√50)
(13)√27÷(√18×√8)
根号的乘除运算1)√6×√151)√6×√15(2)1/4√12a×3√3a(3)3√xy×1/3√1/x(4)√24×√4.5(5)√0.4×√3.6(6)√2/3×√27/8(7)5√45×3/2√2(7/2)[2(7/2)就是二又二分之七](8)√2/3÷√3¼(9)9√1/45÷3/2√2(3/2)(10)2√18
1.原式=√90=3√10
2.原式=(1/4×3)√36a^2=(3/4)×6×|a|=(9/2)|a|
3.原式=(3×1/3)√y=√y
4.原式=√108=6√3
5.原式=√2/5×√18/5=√36/25=6/5
6.原式=√9/4=3/2
7.原式=15√5×(3/2)√11/2=15√5×[(3√22)/4]=(45√110)/4
8.原式=(2√26)/39
9.原式=(2√70)/35
10.原式=(3√3)/5
11.原式=-20
12.原式=600√15
13.原式=(3√3)÷12=(√3)/4
1)√6×√15=3√10
(2)1/4√12a×3√3a=9a
(3)3√xy×1/3√1/x=9x√y
(4)√24×√4.5=6√3
(5)√0.4×√3.6=1.2
(6)√2/3×√27/8是全在根号内的话=3/2 否则=√54/24
(7)5√45×3/2√2(7/2)[2(7/2)就是二又二分之七]=45√110/4
(8)...
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1)√6×√15=3√10
(2)1/4√12a×3√3a=9a
(3)3√xy×1/3√1/x=9x√y
(4)√24×√4.5=6√3
(5)√0.4×√3.6=1.2
(6)√2/3×√27/8是全在根号内的话=3/2 否则=√54/24
(7)5√45×3/2√2(7/2)[2(7/2)就是二又二分之七]=45√110/4
(8)√2/3÷√3¼什么意思 表达没懂
(9)9√1/45÷3/2√2(3/2)=2√70/315
(10)2√18×√3/4÷5√2=3√3/10
(11)2√105÷√21×(-2√5)=-20
(12)3√12×(-2√10)×(-5√50)=600√15
(13)√27÷(√18×√8)=√3/4
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