8.01×1.24+8.02×1.23+8.03×1.22的整数部分是多少?() A. 24
整数,部分
已帮助 人
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8.01×1.24+8.02×1.23+8.03×1.22
=(8.02-0.01)*(1.23+0.01)+8.02*1.23+(8.02+0.01)*(1.23-0.01)
=8.02*1.23-1.23*0.01+8.02*0.01+8.02*1.23+8.02*1.23-8.02*0.01+1.23*0.01
=3*8.02*1.23
=29.5938
