Question

3.78×3.5+37.8乘以0.55+0.378乘以10简便计算

3.78×3.5+37.8乘以0.55+0.378乘以10简便计算

Answer 1

原式等于
3.78×（3.5+5.5+1）
=3.78×10
=37.8
所以原式的结果为37.8

Answer 2

3.78×3.5+37.8×0.55+0.378×10
=3.78×3.5+3.78×5.5+3.78×1

=3.78×（3.5+5.5+1）

=3.78×10

=37.8