如题所述
第1个回答 2011-05-14
278×2×444+444×444=(556+444)×444=1000×444=444000
第2个回答 2011-05-14
278×888+444×444
=278×888+222×2×444
=278×888+222×888
=(278+222)×888
=500×888
=500×2×444
=1000×444
=444000
=278×888+222×2×444
=278×888+222×888
=(278+222)×888
=500×888
=500×2×444
=1000×444
=444000
第3个回答 2011-05-14
278×888+444×444
=278*888+222*888
=888(278+222)
=888*500
=444000
=278*888+222*888
=888(278+222)
=888*500
=444000
第4个回答 2011-05-14
278×888+444×444
=556x444+444x444
=(556+444)x444
=1000x444
=444000本回答被提问者采纳
=556x444+444x444
=(556+444)x444
=1000x444
=444000本回答被提问者采纳
第5个回答 2011-05-19
278×888+444×444
=278*888+222*888
=888(278+222)
=888*500
=444000
=278*888+222*888
=888(278+222)
=888*500
=444000
