4.5*5.5+5.5*5.5的简便计算

2024-11-23 07:17:44
推荐回答(4个)
回答(1):

4.5x5.5+5.5x5.5
=5.5x(4.5+5.5)
=5.5x10
=55

回答(2):

=5.5(4.5+5.5)
=5.5*10
=55

回答(3):

4.5×5.5+5.5×5.5
=(4.5+5.5)×5.5
=10×5.5
=55

回答(4):

=(4.5+5.5)*5.5=10*5.5=55