A-B=101×[(10000-4)×(10000+5)-(10000+4)×(10000-3)]
=101×[10000^2+10000-20-10000^2-10000+12]
=101×(-8)
=-808
若A=101×9996×10005,B=10004×9997×101,求A-B的值.
若A=101×9996×10005,B=10004×9997×101,求A-B的值.
数学人气:995 ℃时间:2020-05-20 11:11:59
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