Question

36X56+72X73-72简便计算？

Answer 1

36×56+72×73-72
=36×2×28+72×73-72×1
=72×28+72×73-72×1
=72×(28+73-1)
=72×100
=7200
望采纳，谢谢

Answer 2

36*56+72*73-72
=72*28+72*73-72
=72*（28+73-1）
=72*100
=7200

Answer 3

36*56可以看成72*28，这样整个题目就变成72*28+72*73-72
=72*(28+73-1)
=72*100
=7200

Answer 4

36X56+72X73-72
=72x(28+73-1)
=72x100
=7200

Answer 5

36×56＋72×73一72
＝72×（28＋73一1）
＝72×100
＝7200