如题所述
第1个回答 2020-02-27
197ⅹ47+94
=(197+2+1)x47-47
=200x47-47
=9400-47
=9353
求采纳~
=(197+2+1)x47-47
=200x47-47
=9400-47
=9353
求采纳~
第2个回答 2020-02-27
197×47 +94
=197x47+2x47
=(197+2)x47
=(200-1)x47
=200x47-47
=9400-47
=9353本回答被网友采纳
=197x47+2x47
=(197+2)x47
=(200-1)x47
=200x47-47
=9400-47
=9353本回答被网友采纳