abc+1.5a*2b*2c 等于多少(化简)

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abc+1.5a*2b*2c 等于多少(化简)
abc+1.5a*2b*2c 等于多少(化简)

abc+1.5a*2b*2c 等于多少(化简)
abc+1.5a*2b*2c =abc+6abc=7abc

abc+1.5a*2b*2c =7abc

abc+1.5a*2b*2c=abc+6abc=7abc