推荐回答（3个）
1,计算的
｜. 根号10*根号27=3√30=16.43
⒉ (15根号12)/(2根号45)=15*2√3/(2*3√5)=5√3/√5=√15=3.87з (3根号0.4)*(2根号3.6)=3*2√0.1/(2*6√0.1)=1/2
⒋ (根号2/3)*(根号27/8)=(√2/3)*(3√3/8)=√6/8=0.306
5. (根号45*(3/2根号2又2分之3)=
6. (根号b/5)/(根号b/20a^2)
你很辛苦，就是猜不出来括号位置
抱歉。。。
1 3根号30
2 根号15
3 7.2
4 3/2
5 3根号30
6 2|a|
1 8/7
2 10分之根号3
3 5x方/3|y|
4 35
5 36
6 45
7 （a-b）分之a倍的根号下5ab
8 （y+3）分之 （x+2）倍的根号下x
< >里的内容即表示根号里的内容
3<30>;180<15>;36/5;3/2;9<70>/4;
8<15>/15;<3>/10;15x*xy;35;36;54;a/(a-b)<5ab>;(x+2)/(y+3)
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