Question

3.7乘45加0.37乘55简便运算

3.7乘45加0.37乘55简便运算

Answer 1

3.7×（45+55）=3.7×100=370

追答

看错了～～～

3.7*50.5

Answer 2

3.7x（45+5.5）
=3.7x50.5
=3.7x50+3.7x0.5
=185+1.85
=186.85

Answer 3

3.7×45+0.37×55
＝3.7×45+3.7×5.5
＝3.7×（4.5+5.5）
＝3.7×5.5
＝20.35