what is the value of ab-abc?b=3a-2c=5please give me your formula also.thank you@The question should be whats the value of AB-2BC?b=3a-2c=5I would like your formula at the mean while,thanks a lot @没有素质只会骂人的人请麻烦走开。.

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whatisthevalueofab-abc?b=3a-2c=5pleasegivemeyourformulaalso.thankyou@Thequestionshouldbewhatsthevalu

what is the value of ab-abc?b=3a-2c=5please give me your formula also.thank you@The question should be whats the value of AB-2BC?b=3a-2c=5I would like your formula at the mean while,thanks a lot @没有素质只会骂人的人请麻烦走开。.
what is the value of ab-abc?
b=3
a-2c=5
please give me your formula also.thank you@
The question should be whats the value of AB-2BC?
b=3
a-2c=5
I would like your formula at the mean while,thanks a lot @
没有素质只会骂人的人请麻烦走开。.

what is the value of ab-abc?b=3a-2c=5please give me your formula also.thank you@The question should be whats the value of AB-2BC?b=3a-2c=5I would like your formula at the mean while,thanks a lot @没有素质只会骂人的人请麻烦走开。.

送分吗?
AB-2BC=B(A-2C)=15

SB

ab-abc
=(a-ac)b
楼主写错了吧?似乎是a-ac=5
那么原式=5×3=15
希望采纳!

【翻译】
问题是AB-2BC的值是多少?
b=3
a-2c=5
我同时希望你写出公式,谢谢!
【解答】
ab-2bc=b(a-2c)=3×5=15

AB-2BC=B(A-2C)=3*5=15

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