Question

6.5×5.2+4.5×5.2-5.2简便计算

6.5×5.2+4.5×5.2-5.2简便计算

Answer 1

6.5×5.2+4.5×5.2-5.2
=（6.5+4.5-1）x5.2
=10x5.2
=52

Answer 2

解如图。

Answer 3

原式=（6.5+4.5-1）*5.2=10*5.2=52

Answer 4

6.5×5.2+4.5×5.2-5.2
=5.2x(6.5+4.5-1)
=5.2x10
=52