135乘以7加135怎样简便计算

2025-04-15 10:21:45
推荐回答(2个)
回答1:

135*7+135
=135*8
=135*(10-2)
=1350-135*2
=1350-270
=1080
(其实直接竖式计算135*8会更简便)

回答2:

135x7+135=135x8=1080