0.88×53+0.88×46×0.88用简便运算？

Question

0.88×53+0.88×46×0.88用简便计算

Answer 1

0.88×53+0.88×46+0.88
=0.88×（53+46+1）
=0.88×100
=88

Answer 2

0.88×53+0.88×46×0.88
=0.88×（53+46+1）
=0.88×100
=88

Answer 3

运用分配律和结合律进行简便计算。0.88×53+0.88×46＋0.88×1＝0.88×（53+46+1）＝0.88×100＝88