487乘以25减去87乘以25怎样简便计算

2025-04-09 00:26:37
推荐回答(3个)
回答1:

487×25-87×25
=(487-87)×25
=400×25
=10000

回答2:

487x25-87x25
=(487-87)x25
=400x25
=10000

回答3:

487x25-87x25
=25x(487-87)
=25x400
=10000