Question

5.6x4.5+4.5x5.6+5.6用简便方法计算？

Answer 1

5.6×4.5+4.5×5.6+5.6简便计算？解:原式=5.6×4.5+4.5×5.6+5.6×1
=5.6×(4.5+4.5+1)
=5.6×(9+1)
=5.6×10
=56

Answer 2

5.6×4.5+4.5×5.6+5.6=5.6×（4.5+4.5+1）=5.6×10=56 根据乘法分配率

Answer 3

=5.6×(4.5+4.5+1)
=5.6×10
=56