乘法分配律用字母表示是?乘法分配律用字母表示是a*b+a*c=a*(b+c )
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乘法分配律用字母表示是?
乘法分配律用字母表示是a*b+a*c=a*(b+c )
乘法分配律用字母表示是a(b+c)=ab+ac
ax(b+c)=axb+axc
对,就是你写的那样
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全部展开
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收起
a(b+c)=a*b+a*c
a*(b+c)=ab+ac
乘法分配律用字母表示是a(b+c)=ab+ac
a(b+c)=ab+ac