a=0,則b=2,a-b=-2;
b=0,則a=2,a-b=2;
a≠0,b≠0,則|ab|=1, |a+b|=1同時成立,a,b無整數(shù)解,
因此,a-b=2或-2
已知a,b是整數(shù),且|ab|+|a+b|=2,求:a-b的值
已知a,b是整數(shù),且|ab|+|a+b|=2,求:a-b的值
數(shù)學人氣：779 ℃時間：2020-07-10 20:23:38
優(yōu)質(zhì)解答
我來回答
類似推薦
- 已知a,b為整數(shù),且滿足ab+a+b=6,求a+b值
- 已知a,b為整數(shù),且ab=6,求a+b的值
- 已知整數(shù)a，b滿足ab=6，則a+b的值可能是（ ） A.5 B.-5 C.±7 D.±5或±7
- 已知整數(shù)a,b滿足ab=-6,則a/b的值有
- 已知5/ab-1/b=1/a+3，求整數(shù)a，b的值．
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運嗎
- 6邊長為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機械分析天平TG628A的使用說明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as