计算:a六次方÷(-2a²)÷(-3a³)100x四次方y六次方÷(-2xy`15x³y)2a`3a²-15a五次方b五次方÷5a²b五次方18a³b²÷(-6a²b²)+48a³b÷6a²b❀❀❀❀❀❀d
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![计算:a六次方÷(-2a²)÷(-3a³)100x四次方y六次方÷(-2xy`15x³y)2a`3a²-15a五次方b五次方÷5a²b五次方18a³b²÷(-6a²b²)+48a³b÷6a²b❀❀❀❀❀❀d](/uploads/image/z/2526867-27-7.jpg?t=%E8%AE%A1%E7%AE%97%3Aa%E5%85%AD%E6%AC%A1%E6%96%B9%C3%B7%28-2a%26%23178%3B%29%C3%B7%28-3a%26%23179%3B%29100x%E5%9B%9B%E6%AC%A1%E6%96%B9y%E5%85%AD%E6%AC%A1%E6%96%B9%C3%B7%28-2xy%6015x%26%23179%3By%292a%603a%26%23178%3B-15a%E4%BA%94%E6%AC%A1%E6%96%B9b%E4%BA%94%E6%AC%A1%E6%96%B9%C3%B75a%26%23178%3Bb%E4%BA%94%E6%AC%A1%E6%96%B918a%26%23179%3Bb%26%23178%3B%C3%B7%28-6a%26%23178%3Bb%26%23178%3B%29%2B48a%26%23179%3Bb%C3%B76a%26%23178%3Bb%26%2310048%3B%26%2310048%3B%26%2310048%3B%26%2310048%3B%26%2310048%3B%26%2310048%3B%26%23100)
计算:a六次方÷(-2a²)÷(-3a³)100x四次方y六次方÷(-2xy`15x³y)2a`3a²-15a五次方b五次方÷5a²b五次方18a³b²÷(-6a²b²)+48a³b÷6a²b❀❀❀❀❀❀d
计算:
a六次方÷(-2a²)÷(-3a³)
100x四次方y六次方÷(-2xy`15x³y)
2a`3a²-15a五次方b五次方÷5a²b五次方
18a³b²÷(-6a²b²)+48a³b÷6a²b
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要过程的OWO,回答完了给悬赏.谢谢OWO.
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计算:a六次方÷(-2a²)÷(-3a³)100x四次方y六次方÷(-2xy`15x³y)2a`3a²-15a五次方b五次方÷5a²b五次方18a³b²÷(-6a²b²)+48a³b÷6a²b❀❀❀❀❀❀d
1.
a六次方÷(-2a²)÷(-3a³)
=-二分之一a四次方÷(-3a³)
=-六分之一a
2.
2a`3a²-15a五次方b五次方÷5a²b五次方
=.2a`3a²-3a三次方b四次方 【我姑且把2a`3a²当做2a*3a²】
=3a三次方*(2-b四次方)
3.18a³b²÷(-6a²b²)+48a³b÷6a²b
=-3a+8a
=5a
a六次方÷(-2a²)÷(-3a³)=-1/2a^4除以(-3a^3)=1/6a
100x四次方y六次方÷(-2xy`15x³y)=100X^4Y^6/(-30x^4Y^2)=3/10Y^4
首先,无论乘除号前面或后面的数字有多大,都要先提出来,第一题a^6÷(-2a^2)÷(-3a^3)=(1÷(-2)÷(-3))×(a^6÷a^2÷a^3)=(1/6)(a^(6-2-3))=(1/6)a
后面那道题我不懂-2xy与15x^3y之间是什么
最后一题=(18÷(-6))(a³b²÷a²b²)+(48÷6)(a³b÷a²b)=-3a+8a=5a