如题所述
第1个回答 2017-03-08
52x6十38x6十78
=（52+38）×6+78
=90×6+78
=540+78
=618本回答被网友采纳
=（52+38）×6+78
=90×6+78
=540+78
=618本回答被网友采纳
第2个回答 2017-03-08
=(52+38)x6+78
=90x6+78
=540+78
=618
=90x6+78
=540+78
=618
第3个回答 2017-03-08
52x6十38x6十78
=52x6十38x6十13x6
=（52+38+13）x6
=103x6
=618
=52x6十38x6十13x6
=（52+38+13）x6
=103x6
=618
