1.若方程x/x-5=4-(m/5-x)有增根x=5,则m=?2.解方程1-x/x-2=(1/2-x)-2Jack does his homework _______ Lucy.A.as careful as B.so careful asC.as carefully as D.more carefully than请都说出过程或为什么1.若方程x/(x-5)=4-[m/(5-x)]有增根x=
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![1.若方程x/x-5=4-(m/5-x)有增根x=5,则m=?2.解方程1-x/x-2=(1/2-x)-2Jack does his homework _______ Lucy.A.as careful as B.so careful asC.as carefully as D.more carefully than请都说出过程或为什么1.若方程x/(x-5)=4-[m/(5-x)]有增根x=](/uploads/image/z/8701098-42-8.jpg?t=1.%E8%8B%A5%E6%96%B9%E7%A8%8Bx%2Fx-5%3D4-%28m%2F5-x%29%E6%9C%89%E5%A2%9E%E6%A0%B9x%3D5%2C%E5%88%99m%3D%3F2.%E8%A7%A3%E6%96%B9%E7%A8%8B1-x%2Fx-2%3D%281%2F2-x%29-2Jack+does+his+homework+_______+Lucy.A.as+careful+as+B.so+careful+asC.as+carefully+as+D.more+carefully+than%E8%AF%B7%E9%83%BD%E8%AF%B4%E5%87%BA%E8%BF%87%E7%A8%8B%E6%88%96%E4%B8%BA%E4%BB%80%E4%B9%881.%E8%8B%A5%E6%96%B9%E7%A8%8Bx%2F%28x-5%29%3D4-%5Bm%2F%285-x%29%5D%E6%9C%89%E5%A2%9E%E6%A0%B9x%3D)
1.若方程x/x-5=4-(m/5-x)有增根x=5,则m=?2.解方程1-x/x-2=(1/2-x)-2Jack does his homework _______ Lucy.A.as careful as B.so careful asC.as carefully as D.more carefully than请都说出过程或为什么1.若方程x/(x-5)=4-[m/(5-x)]有增根x=
1.若方程x/x-5=4-(m/5-x)有增根x=5,则m=?
2.解方程1-x/x-2=(1/2-x)-2
Jack does his homework _______ Lucy.
A.as careful as B.so careful as
C.as carefully as D.more carefully than
请都说出过程或为什么
1.若方程x/(x-5)=4-[m/(5-x)]有增根x=5,则m=?
2.解方程(1-x)/(x-2)=[1/(2-x)]-2
1.若方程x/x-5=4-(m/5-x)有增根x=5,则m=?2.解方程1-x/x-2=(1/2-x)-2Jack does his homework _______ Lucy.A.as careful as B.so careful asC.as carefully as D.more carefully than请都说出过程或为什么1.若方程x/(x-5)=4-[m/(5-x)]有增根x=
1.m=-35
2.x=2为增根,原方程无解
英语:C D都可以.
does v.用副词修饰动词,as……as 中间加原级,more carefully than 也符合语法
最好先看一下2012年深圳高三年级第一次调研考试数学(理科)的第19题的第二问,这是圆与椭圆的问题,急求2012年深圳高三年级第一次调研考试数学(理科)的第19题的第二问是2012年深圳高三年级第一次调研考试数学(
5
数学:
1.
方程两边同乘以(x-5)得x=4x-5+m
化简得m=-3x+5=-10
2.
1-x=-1-2(x-2)
x=0
a
理由:
固定短语as···as中使用形容词或副词原形
谓语动词does是实义动词
要用副词carefully修饰
选A
数学:
1.
方程两边同乘以(x-5)得x=4x-5+m
化简得m=-3x+5=-10
2.
1-x=-1-2(x-2)
x=0
英语:
C
理由:
固定短语as···as中使用形容词或副词原形
谓语动词does是实义动词
要用副词carefully修饰
且用原形
故选C数学题 那个第...
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数学:
1.
方程两边同乘以(x-5)得x=4x-5+m
化简得m=-3x+5=-10
2.
1-x=-1-2(x-2)
x=0
英语:
C
理由:
固定短语as···as中使用形容词或副词原形
谓语动词does是实义动词
要用副词carefully修饰
且用原形
故选C
收起
M=20-3X
X=5
M=5