Question

5.4x2.3+5.4x7.7简便计算

Answer 1

5.4×2.3+5.4×7.7
=5.4×（2.3+7.7）
=5.4×10
=54

Answer 2

=5.4（2.3+7.7）
=5.4*10
=54

Answer 3

=5.4*(2.3+7.7)=54

Answer 4

＝（3.3+7.7）X5.4
＝10X5.4
＝54

Answer 5

5.4x2.3+5.4x7.7
=5.4x（2.3+7.7）
=5.4x10
=54