Question

29×37+29×55+92×71简便运算

Answer 1

原式＝29x（37+55）+92x71
＝29x92+92x71
＝92Ⅹ（29+71）
＝92x100
＝9200

Answer 2

29×37+29×55+92×71
＝29×(37+55)＋92×71
＝29×92+92×71
＝92×(29+71)
＝92×100
=9200