22x18-8x28的简便运算怎么算？

Question

如题所述

Answer 1

简便计算
22x18-8x28
=22ⅹ18-8x(22+6)
=22x18-8x22-8x6
=22x(18-8)-48
=22x10-48
=220-48
=172

Answer 2

22×18-8×28
＝22×18-8×(18+10)
＝22×18-8×18-8×10
＝(22-8)×18-80
＝14×18-80
＝10×18+4×18-80
＝180+72-80
＝172