问题
解答题
含有未知数的式子叫做方程．______．（判断对错）
答案
例如4x+6是含有未知数的式子，4+5=9是等式，可它们都不是方程，而5+x=9就是方程．
故答案为：×．
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含有未知数的式子叫做方程．______．（判断对错）
例如4x+6是含有未知数的式子，4+5=9是等式，可它们都不是方程，而5+x=9就是方程．
故答案为：×．
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Kate: I prefer music to art. 1 Jim: Really? I can't agree with you. Art is more interesting than music. 2 Kate: No. Music is much more popular. 3 Jim: But I have to say you don' t sing well. I'm afraid nobody likes to listen to you when you sing. Kate : But you draw badly. 4 Mother: Oh, my children, stop talking like that, please 5 They make our lifemore interesting |