如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值······急啊···········如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值!快··············
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 06:49:39
![如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值······急啊···········如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值!快··············](/uploads/image/z/10803510-54-0.jpg?t=%E5%A6%82%E6%9E%9Ca%E4%B8%8Eb%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2Cc%E4%B8%8Ed%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%2C%E6%B1%822%7Ca%2Bb%7C-cd%E7%9A%84%E5%80%BC%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%E6%80%A5%E5%95%8A%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%E5%A6%82%E6%9E%9Ca%E4%B8%8Eb%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2Cc%E4%B8%8Ed%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%2C%E6%B1%822%7Ca%2Bb%7C-cd%E7%9A%84%E5%80%BC%21%E5%BF%AB%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7)
如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值······急啊···········如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值!快··············
如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值······急啊···········
如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值!快··············
如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值······急啊···········如果a与b互为相反数,c与d互为倒数,求2|a+b|-cd的值!快··············
a与b互为相反数,c与d互为倒数
a+b=0 c*d=1
2|a+b|-cd
=2*0-1
=-1
a+b=0,cd=1
所以-1
如果a与b互为相反数,c与d互为倒数,求丨a+b丨-- cd 的值
如果a与b互为相反数,c与d互为倒数,则2(a+b)-5c•d=
如果a与b互为相反数,c与d互为倒数,那么a+b+cd=几 火速、快
已知a,b互为相反数,c,d互为倒数.求
若a与2b互为负倒数,-c与d/2互为相反数,m与n互为相反数,求2ab-2c+d+m÷n
若a与2b互为负倒数,-c与2分之d互为相反数,m与n互为相反数,求2ab-2c+d+m/n.
若a与2b互为负倒数,-c与d/2互为相反数,m与n互为相反数,试求2ab-2c+d+m/n.
若a与2b互为负倒数,-C与B/2互为相反数,M与N互为相反数,试求2AB-2C+D+M/N
已知a与b互为相反数,c与d互为倒数,求√(a+b)³+³√cd
如果a与2b互为倒数,-c与d/2互为相反数,x绝对值=6,求代数2ab-2c+d+x/3
如果a与2b互为倒数,-c与d/2互为相反数,|x|=3,求式子2ab-2c+d+x/3
如果A与2B 互为倒数,-C与D/2互为相反数,|x|=3,求代数式2ab-2c+d+x/3的值
如果a与2b互为倒数,-c与d/2互为相反数,|x|=3,求式子2ab-2c+d+x/3的值
如果a与3b互为负倒数,-c与d/2互为相反数,|x|=5,求3ab-2c+d+x/5的值.
如果a与b互为倒数,-c与d互为相反数,x的绝对值=3,求式子2ab-4c+4d+(x/3)
如果a与b互为倒数,-c与d互为相反数,x=-5/2,求式子(ab-c+d)÷x的值
如果a与b互为倒数,-c与b互为相反数,丨x丨=3,求式子2ab-4c+4d+x/3的值
已知a与b互为相反数,c,d互为倒数,求代数式c/a+b+cd的值?