Question

123x76+23x24怎样简便计算？

Answer 1

原式前烂
＝100×76十23×76十23×24
＝7600＋23×（76十肢告24）
＝7600十历悔明23×100
＝9900

Answer 2

123*76+23*24
=（100+23）亮滑桥让皮*76+23*24
=100*76+23*76+23*24
=7600+23*（敬猛76+24）
=7600+23*100
=7600+2300
=9900

Answer 3

123×76+23×24
=100×76+23×76+23×24
=100×76+23×(76+24)
=100×76+23×100
=100×(76+23)
=100×99
=9900

Answer 4

123×76+23×24=（汪运100+23）×76+23×24=100×76+23×76+23×24=7600+（宽陵核慎掘76+24）×23=7600+2300=9900

Answer 5

答，原式＝100×76＋23x76＋23x24＝7600+2300＝9900