一元一次方程（形如AX=B）的解的情况
（1）当A≠0时,方程有唯一解X=B/A
（2）当A=0,B≠0时,方程无解
（3）当A=0,B=0时,方程有无数个解
猜你喜欢
- 1求解：It was things and people ___they remembered___they were talking about
- 2两块地共100公顷,第一块的四倍比第二块的三倍多120公顷,两块地各多少公顷?
- 3Which letter is the ocean?
- 4当温度每上升1℃是,某种金属丝伸长0.002mm.反之,当温度每下降1℃时,金属丝缩短0.002mm.把15℃的金属丝加热
- 5负x平方等于2x减6
- 6用英语解释下列句子.1、He flew to Shanghai last week.
- 7在一氧化碳和二氧化碳的混合气体中含氧元素64%,将5克这种混合气体,通入足量石灰水中,
- 8It may interest you to know that Bill will be leaving next week.为何用be leaving不是leave?
- 9玻璃杯内的水越多敲击的声音越响的原因
- 10问一道英语选择题!在线等 ! （ ）the last day of the year括号中应该用什么介词?