Question

2.25乘零点六加二点二五乘零点四简算

Answer 1

解: 2.25*0.6+2.25*0.4
=2.25*(0.6+0.4)
=2.25*1
=2.25

Answer 2

2.25×0.6+2.25×0.4
=2.25×(0.6+0.4)
=2.25×1
=2.25。