数学整式计算题一5.46*1.94+1.94-4.54-29.4二2013²-2015*2011
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![数学整式计算题一5.46*1.94+1.94-4.54-29.4二2013²-2015*2011](/uploads/image/z/6996259-19-9.jpg?t=%E6%95%B0%E5%AD%A6%E6%95%B4%E5%BC%8F%E8%AE%A1%E7%AE%97%E9%A2%98%E4%B8%805.46%2A1.94%2B1.94-4.54-29.4%E4%BA%8C2013%26%23178%3B-2015%2A2011)
数学整式计算题一5.46*1.94+1.94-4.54-29.4二2013²-2015*2011
数学整式计算题
一5.46*1.94+1.94-4.54-29.4
二2013²-2015*2011
数学整式计算题一5.46*1.94+1.94-4.54-29.4二2013²-2015*2011
一5.46*1.94+1.94-4.54-29.4
=(5.46-1)*1.94-4.54-29.4
=4.46*1.94-4.46-0.08-29.4
=4.46*(1.94-1)-0.08-29.4
=4.46*0.94-0.08-29.4
=-21.4076
二2013²-2015*2011
=2013²-(2013+2)*(2013-2)
=2013²-(2013²-2²)
=2013²-2013²+2²
=4