早教吧作业答案频道 -->数学-->
(1)√48÷√3-√1\2×√12+√24(2)√0.5+√12-(√1\3-√4又1\2)
题目详情
(1)√48÷√3-√1\2×√12+√24 (2)√0.5+√12-(√1\3-√4又1\2)
▼优质解答
答案和解析
(1)√48÷√3-√1\2×√12+√24
=4-√2/2*2√2+2√6
=4-2+2√6
=2+2√6
(2)√0.5+√12-(√1\3-√4又1\2)
=√2/2+2 √3- (√3/3-3√2/2)
=2√2+5/3*√3 .
=4-√2/2*2√2+2√6
=4-2+2√6
=2+2√6
(2)√0.5+√12-(√1\3-√4又1\2)
=√2/2+2 √3- (√3/3-3√2/2)
=2√2+5/3*√3 .
看了 (1)√48÷√3-√1\2...的网友还看了以下:
1/2*5,1/5*8,1/8*11...求前n项和sn 2020-06-12 …
8袋大米,以每袋50千克为准,超过的千克数记为正数,不足的千克数记作负数,称后的记录如下:第一袋: 2020-06-26 …
0.39+1/5+39/100+4/5=1/2-(5/6-3/8)=8/19-6/19+1/107 2020-07-17 …
1.0.3:12=2.0.25:4=3.2.8:0.7=4.2.1:1.2=5.0.1:0.8=6 2020-07-17 …
1.420X40%/(1-40%)=?2.420X1/(1+2/5)3.(420X2/5)/(1+ 2020-07-19 …
1/2*5+1/5*8+1/8*11+1/11*14+1/14*17/3 2020-07-21 …
1=5/8乘8/5=()乘а=()乘0.5=()加1/3=()乘7/4(а不等于01=5/8乘8/ 2020-07-22 …
(1/3-1/5)×1/2=1/15,(1/5-1/7)×1/2=1/35,(1/7-1/9)*1/ 2020-12-03 …
①(1又3/2×2+2.5)÷8/7-2又5/1÷1.6=———②水结成冰体积增加10/1,冰化成水 2020-12-25 …
1/2*5+1/5*8+1/8*11+……+1/1991+1994+1/1994*1997 2021-01-12 …