初二数学计算题
1.(7√3+5√2)-(3√2+2√3)2.(1+√5)-|1-√2|+33.(3√7-2√3)-(3√7+4√3)4.√25+³√8-³√27+√...
1.(7√3+5√2)-(3√2+2√3)
2.(1+√5)-|1-√2|+3
3.(3√7-2√3)-(3√7+4√3)
4.√25+³√8-³√27+√4
5.(4√5-3√2)-(-3√5+2√2)
6.4√3+2分之3√3-(3√3-2√2)
要过程 展开
2.(1+√5)-|1-√2|+3
3.(3√7-2√3)-(3√7+4√3)
4.√25+³√8-³√27+√4
5.(4√5-3√2)-(-3√5+2√2)
6.4√3+2分之3√3-(3√3-2√2)
要过程 展开
4个回答
展开全部
1.(7√3+5√2)-(3√2+2√3)
=7√3+5√2-3√2-2√3
=4√3+3√2
2.(1+√5)-|1-√2|+3
=1+√5-(√2-1)+3
=4+√5-√2+1
=5+√5-√2
3.(3√7-2√3)-(3√7+4√3)
=3√7-2√3-3√7-4√3
=-6√3
4.√25+³√8-³√27+√4
=5+2-3+2
=6
5.(4√5-3√2)-(-3√5+2√2)
=4√5-3√2+3√5-2√2
=7√5-5√2
6.4√3+2分之3√3-(3√3-2√2)
=4√3+2分之3√3-3√3+2√2
=(4+2分之3-3)√3-2√2
=2分之5√3-2√2
=7√3+5√2-3√2-2√3
=4√3+3√2
2.(1+√5)-|1-√2|+3
=1+√5-(√2-1)+3
=4+√5-√2+1
=5+√5-√2
3.(3√7-2√3)-(3√7+4√3)
=3√7-2√3-3√7-4√3
=-6√3
4.√25+³√8-³√27+√4
=5+2-3+2
=6
5.(4√5-3√2)-(-3√5+2√2)
=4√5-3√2+3√5-2√2
=7√5-5√2
6.4√3+2分之3√3-(3√3-2√2)
=4√3+2分之3√3-3√3+2√2
=(4+2分之3-3)√3-2√2
=2分之5√3-2√2
展开全部
1.(7√3+5√2)-(3√2+2√3)
=5√3-2√2
2.(1+√5)-|1-√2|+3
=1+√5-1+√2+3
=√5+√2+3
3.(3√7-2√3)-(3√7+4√3)
=(3√7-3√7)-(2√3+4√3)
=-6√3
4.√25+³√8-³√27+√4
=5+2-3+2
=6
5.(4√5-3√2)-(-3√5+2√2)
=(4√5+3√5)-3√2+2√2
=7√5-√2
6.4√3+2分之3√3-(3√3-2√2)
=(4√3+2分之3√3-3√3)+2√2
=2分之5√3+2√2
=5√3-2√2
2.(1+√5)-|1-√2|+3
=1+√5-1+√2+3
=√5+√2+3
3.(3√7-2√3)-(3√7+4√3)
=(3√7-3√7)-(2√3+4√3)
=-6√3
4.√25+³√8-³√27+√4
=5+2-3+2
=6
5.(4√5-3√2)-(-3√5+2√2)
=(4√5+3√5)-3√2+2√2
=7√5-√2
6.4√3+2分之3√3-(3√3-2√2)
=(4√3+2分之3√3-3√3)+2√2
=2分之5√3+2√2
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展开全部
1.
(7√3+5√2)-(3√2+2√3)
=7√3+5√2-3√2-2√3
=5√3+2√2
2.
(1+√5)-|1-√2|+3
=(1+√5)-(√2-1)+3
=5+√5-√2
3.
(3√7-2√3)-(3√7+4√3)
=3√7-2√3-3√7-4√3
=-6√3
4.
√25+³√8-³√27+√4
=5+2-3+2
=6
5.
(4√5-3√2)-(-3√5+2√2)
=4√5-3√2+3√5-2√2
=7√5-5√2
6.
4√3+(3√3)/2-(3√3-2√2)
=4√3+(3/2)*√3-3√3+2√2
=(5/2)*√3+2√2
(7√3+5√2)-(3√2+2√3)
=7√3+5√2-3√2-2√3
=5√3+2√2
2.
(1+√5)-|1-√2|+3
=(1+√5)-(√2-1)+3
=5+√5-√2
3.
(3√7-2√3)-(3√7+4√3)
=3√7-2√3-3√7-4√3
=-6√3
4.
√25+³√8-³√27+√4
=5+2-3+2
=6
5.
(4√5-3√2)-(-3√5+2√2)
=4√5-3√2+3√5-2√2
=7√5-5√2
6.
4√3+(3√3)/2-(3√3-2√2)
=4√3+(3/2)*√3-3√3+2√2
=(5/2)*√3+2√2
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展开全部
1.(7√3+5√2)-(3√2+2√3)
=7√3-2√3+2√2
=5√3+2√2
2.(1+√5)-|1-√2|+3
=4+√5-(√2-1)
=5+√5-√2
3.(3√7-2√3)-(3√7+4√3)
=-2√3-4√3
=-6√3
4.√25+³√8-³√27+√4
=5+2-3+2
=6
5.(4√5-3√2)-(-3√5+2√2)
=7√5-3√2-2√2
=7√5-5√2
6.4√3+2分之3√3-(3√3-2√2)
=√3+2分之3√3+2√2
=2分之5√3+2√2
=7√3-2√3+2√2
=5√3+2√2
2.(1+√5)-|1-√2|+3
=4+√5-(√2-1)
=5+√5-√2
3.(3√7-2√3)-(3√7+4√3)
=-2√3-4√3
=-6√3
4.√25+³√8-³√27+√4
=5+2-3+2
=6
5.(4√5-3√2)-(-3√5+2√2)
=7√5-3√2-2√2
=7√5-5√2
6.4√3+2分之3√3-(3√3-2√2)
=√3+2分之3√3+2√2
=2分之5√3+2√2
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