初中二次根式加减运算怎么做3根号8+2根号18-根号50根号8+根号12+根号2-根号36根号1/3-根号12+根号32根号20+2/5根号125+10根号0.05-6根号505/3(根号24-根号0.5)-8/5(根号1/8-根号6)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 00:47:19
![初中二次根式加减运算怎么做3根号8+2根号18-根号50根号8+根号12+根号2-根号36根号1/3-根号12+根号32根号20+2/5根号125+10根号0.05-6根号505/3(根号24-根号0.5)-8/5(根号1/8-根号6)](/uploads/image/z/2549007-63-7.jpg?t=%E5%88%9D%E4%B8%AD%E4%BA%8C%E6%AC%A1%E6%A0%B9%E5%BC%8F%E5%8A%A0%E5%87%8F%E8%BF%90%E7%AE%97%E6%80%8E%E4%B9%88%E5%81%9A3%E6%A0%B9%E5%8F%B78%2B2%E6%A0%B9%E5%8F%B718-%E6%A0%B9%E5%8F%B750%E6%A0%B9%E5%8F%B78%2B%E6%A0%B9%E5%8F%B712%2B%E6%A0%B9%E5%8F%B72-%E6%A0%B9%E5%8F%B736%E6%A0%B9%E5%8F%B71%2F3-%E6%A0%B9%E5%8F%B712%2B%E6%A0%B9%E5%8F%B732%E6%A0%B9%E5%8F%B720%2B2%2F5%E6%A0%B9%E5%8F%B7125%2B10%E6%A0%B9%E5%8F%B70.05-6%E6%A0%B9%E5%8F%B7505%2F3%EF%BC%88%E6%A0%B9%E5%8F%B724-%E6%A0%B9%E5%8F%B70.5%EF%BC%89-8%2F5%EF%BC%88%E6%A0%B9%E5%8F%B71%2F8-%E6%A0%B9%E5%8F%B76%EF%BC%89)
初中二次根式加减运算怎么做3根号8+2根号18-根号50根号8+根号12+根号2-根号36根号1/3-根号12+根号32根号20+2/5根号125+10根号0.05-6根号505/3(根号24-根号0.5)-8/5(根号1/8-根号6)
初中二次根式加减运算怎么做
3根号8+2根号18-根号50
根号8+根号12+根号2-根号3
6根号1/3-根号12+根号3
2根号20+2/5根号125+10根号0.05-6根号50
5/3(根号24-根号0.5)-8/5(根号1/8-根号6)
初中二次根式加减运算怎么做3根号8+2根号18-根号50根号8+根号12+根号2-根号36根号1/3-根号12+根号32根号20+2/5根号125+10根号0.05-6根号505/3(根号24-根号0.5)-8/5(根号1/8-根号6)
3根号8+2根号18-根号50
=3×2√2+2×3√2-5√2
=6√2+6√2-5√2
=7√2;
根号8+根号12+根号2-根号3
=2√2+2√3+√2-√3
=3√2+√3;
6根号1/3-根号12+根号3
=6×√3/3-2√3+√3;
=√3;
2根号20+2/5根号125+10根号0.05-6根号50
=2×2√5+2/5×5√5+10×√5/10-6×5√2
=4√5+2√5+√5-30√2
=7√5-30√2;
5/3(根号24-根号0.5)-8/5(根号1/8-根号6)
=5/3×(2√6-√2/2)-8/5×(√2/4-√6)
=10√6/3-5√2/6-2√2/5+8√6/5;
=50√6/15+24√6/15-25√2/30-12√2/30
=74√6/15-37√2/30;
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大神…
我要死了一片“根号根号根号”你闹哪样?!
好吧告诉你,比如说第一行的2根号18可以化简为“4根号3”这样都化成根号下相同的数字你会写了吧?