25×36怎样用简便方法

2024-11-27 04:15:46
推荐回答(3个)
回答1:

25*4*9=900

回答2:

25x36
=5x5x6x6
=(5x6)x(5x6)
=30x30=900

回答3:

25x36
=25x4x9
=100x9
=900