如题所述
原式=64-27x86x2
=64-54x86
=64-(70-16)x(70+16)
=64-70^2+16^2
=64+256-4900
=320-4900
=-4580
=64-54x86
=64-(70-16)x(70+16)
=64-70^2+16^2
=64+256-4900
=320-4900
=-4580
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第1个回答 2015-12-09
64-27x86-27x86
=64-27x86x2
=64-54x86
=64-(70-16)x(70+16)
=64-70^2+16^2
=64+256-4900
=320-4900
=-4580
=64-27x86x2
=64-54x86
=64-(70-16)x(70+16)
=64-70^2+16^2
=64+256-4900
=320-4900
=-4580
第2个回答 2015-04-13
64-2（27*86）
第3个回答 2015-04-13
64-2（27*86）
