Question

2.45×7.6+1.4×2.45+2.45简便运算？

Answer 1

等于2.45乘以（7.6+1.4+1）等于2.45乘以10等于24.5

Answer 2

=2.45（7.6+1.4+1）
=2.45×10
=24.5

Answer 3

2.45*（7.6+1.4+1）
=2.45*10
=24.5

Answer 4

2.45×(7.6+1.4+1)
＝2.45×10
＝24.5

Answer 5

2.45×（7.6+1.4+1）=24.5